SR21-12 – Securing Loose Ceiling Panel – 2020-2022 Prevost X3 Commuter & X3 Coach Buses

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Writer: EL <QF7720957 rev 9> SAFETY RECALL SR21-12 DATE: December 2021 SECTION: 18 BODY SUBJECT: SECURING LOOSE CEILING PANEL First Release 12-17-2021 APPLICATION NOTICE TO SERVICE CENTERS Verify vehicle eligibility by checking warranty bulletin status with SAP or via ONLINE WARRANTY SYSTEM available on Service / Warranty tab of Prevost website. Model VIN X3-45 coaches Model Year: 2020 2PCG33495LC736493 and From 2PCG33492LC736497 up to 2PCG33497LC736592 incl. X3-45 coaches Model Year: 2020 – 2021 From 4RKG33494L9737663 up to 4RKG33492M9737758 incl. X3-45 Commuter Model Year: 2020 4RKJ33496L9737721 4RKJ33495L9737726 4RKJ33490L9737729 This bulletin does not necessarily apply to all the above-mentioned vehicles, some vehicles may have been modified before delivery. The owners of the vehicles affected by this bulletin will be advised by a letter indicating the Vehicle Identification Number (VIN) of each vehicle concerned. DESCRIPTION On the vehicles involved with this bulletin, perform the following procedure. 0BSR21-12 Page 2 / 6 Writer: EL <QF7720957 rev 9> MATERIAL Order kit # SR21-12 which includes the following parts: Part No. Description Qty 500463 WASHER, FINISHING CKF BR Z050 .187X.500X.090(M4,#6) 2 509827 SCREW, MACHINE RND PH SS M4-0.7X20 2 5001406 NUT, SPRING U M4-.7 0.8-4.0X13.5 Z050 2 NOTE Material can be obtained through regular channels. REQUIRED TOOLS / MATERIAL CORDLESS DRILL & BITS DRILL BITS Ø3/16”, Ø 17/64” PHILLIPS SCREWDRIVER CUTTER CENTER PUNCH LOCTITE, 243 BLUE 50 ml Writer: EL <QF7720957 rev 9> PROCEDURE DANGER Park vehicle safely, apply parking brake, stop the engine. Prior to working on the vehicle, set the ignition switch to the OFF position and trip the main circuit breakers equipped with a trip button. On the Commuter type vehicles, set the battery master switch (master cut-out) to the OFF position. Lockout & Tag out (LOTO) must be performed during set-up, maintenance or repair activities. Refer to your local procedure for detailed information regarding the control of hazardous energy. 1. Locate the ceiling panel which needs to be secured at the front of the vehicle, over the central aisle. Figure 1 2. Mark two drillings position in accordance with the following image (dimension in millimeters). Writer: EL <QF7720957 rev 9> Figure 2 91.7 mm = 3.610 inches 42.4 mm = 1.669 inches 445.8 mm = 17.551 inches 891.6 mm = 35.1 inches 3. Drill two 3/16 pilot holes where marked on the ceiling panel. Drill also through the plastic trim located underneath the aluminum panel. 4. Remove the ceiling panel. 5. Using a cutter, perform two notches and clear the Velcro strip where the spring nuts (clip) will be installed on the plastic trim (Figure 3). Writer: EL <QF7720957 rev 9> Figure 3 6. Enlarge the pilot holes to 17/64’’ diameter on the ceiling panel and the plastic trim. 7. Install two spring nuts 5001406 (Figure 3) on the plastic trim. 8. Reinstall the ceiling panel. 9. Press the panel firmly so it will grip the Velcro strip. 10. Secure the ceiling panel using two new screws 509827 and two new finishing washers 500463 (Figure 4). Apply blue Loctite on the screws. Figure 4 Writer: EL <QF7720957 rev 9> PARTS / WASTE DISPOSAL Discard waste according to applicable environmental regulations (Municipal/State[Prov.]/ Federal) WARRANTY This modification is covered by Prevost’s normal warranty. We will reimburse you the parts and 1/2 hour (0.5) of labor upon receipt of a warranty claim. Please submit claim via our Online Warranty System, available at www.prevostcar.com (under Service \ Warranty section). Use Claim Type: “Bulletin/Recall” and select ‘’Warranty Bulletin 0BSR21-12 “. OTHER VBC Bulletin N/A Access all our Service Bulletins on http://techpub.prevostcar.com/en/ or scan the QR-Code with your smart phone. Are you a Vehicle owner? E-mail us at technicalpublications_prev@volvo.com and type “ADD” in the subject to receive warranty bulletins applicable to your vehicle(s) by e-mail. Fail Code 18.02 Defect Code 09 Syst. Cond B Causal Part 340231

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NHTSA SAFETY RECALL #21V-951 Prevost Safety Recall SR21-12 December 2021 ADIRONDACK TRANSIT LINES, INC. DBA 499 HURLEY AVENUE HURLEY, NY 12443-5119 USA IMPORTANT SAFETY RECALL This notice applies to your vehicle(s), see VIN list below. Dear Customer, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Prevost Car US Inc. has decided that a defect which relates to motor vehicle safety exists in certain 2020, 2021 X3-45 Commuter & X3-45 coaches. DEFECT DESCRIPTION On a small number of vehicles, the front ceiling panel could become loose and fall inside the bus. This could cause a possible distraction for the driver. SAFETY RISK A ceiling panel that falls could distract the driver and increase the risk of a crash. Prevost has not received any report of injury or death associated with this defect. Therefore, we consider this as a proactive measure to protect the public from the potential risk associated with this defect. IDENTIFICATION OF ANY WARNING THAT CAN PRECEDE Front ceiling panel become loose, and a noise may be produced before the panel falls. REMEDY PROGRAM Prevost has released a service procedure to remedy the ceiling panel for the affected vehicle population. All cost associated with this repair will be covered by Prevost. According to our records, you are the registered owner of the following vehicles involved in this safety recall SR21-12: WHAT YOU NEED TO DO Please make an appointment to your nearest Prevost Service Center and refer to SR21-12 to have the work performed free of charge. Optionally, you may have the work performed by qualified personnel of your choice, following Safety Recall SR21-12 procedure available on Prevost Technical Publications web site at this address: http://techpub.prevostcar.com/en/ Prevost will reimburse you parts and labor as described in safety recall SR21-12. Please file an online warranty claim following normal campaign procedures if you are a registered customer, otherwise, contact the Prevost Warranty Department at 1-866-870-2046 for reimbursement instructions. The time required to perform the repair on your vehicle is ½ hour (0.5 h). PRE NOTIFICATION REMEDIES If you have previously paid for repairs as a result of this issue, you may be entitled to recovery of those expenses. Prevost Car US will reimburse the claimant by check for the reasonable amount paid for repairs (i.e. the cost of parts, labor, disposal fees and taxes) that addressed the defect as stated in the safety recall notification. To qualify, repairs must have been completed no earlier than one year prior to the release of the recall and no later than 10 days after the release of the recall mailing of the initial customer notification letter pertaining to the recall. To get reimbursed, please file an online warranty claim following normal Campaign procedures if you are a registered customer, otherwise, contact the Prevost Warranty Department at 1-866-870-2046 for reimbursement instructions. NOTICE REGARDING LEASED VEHICLES If you are a Lessor of vehicles subject to this Notice, you have an obligation under Federal Law to send a copy of this Notice to all Lessees within 10 days. For purposes of this Notice, the terms: Leased motor vehicle means any motor vehicle that is leased to a person for a term of at least four months by a lessor who has leased five or more vehicles in the twelve months preceding the date of notification by the vehicle manufacturer of the existence of a safety-related defect or noncompliance with a Federal motor vehicle safety standard in the motor vehicle. Lessor means a person or entity that is the owner, as reflected on the vehicle’s title, of any five or more leased vehicles (as defined in 49CFR Section 577.4), as of the date of notification by the manufacturer of the existence of a safety-related defect or noncompliance with a Federal Motor Vehicle Safety Standard in one or more of the leased motor vehicles. Lessee means a person who is the lessee of a leased motor vehicle as defined in this section. CHANGE OF ADDRESS OR OWNERSHIP If your address has changed, or you no longer own the vehicle(s), please help us update our records. Use the link below to access the Prevost Warranty Support web page http://www.prevostcar.com/parts-and-services/warranty Click on the link ‘Change of address or ownership’, fill the form, save it and email the file to prevost.onlinewarranty@volvo.com. REIMBURSEMENT OF PRE-NOTIFICATION REMEDIES When a Prevost vehicle is affected by a safety recall and the owner/purchaser (claimant) has the safety-related defect or FMVSS regulatory noncompliance remedied at their own expense prior to receiving the manufacturer notification of the safety recall, Prevost Car (US) Inc. will reimburse the owner/purchaser for the reasonable amount paid (i.e. the cost of parts, labor, disposal fees and taxes) that addressed the safety-related defect or FMVSS regulatory noncompliance as described in the safety recall notification. To qualify, repairs must have been completed no earlier than one year prior to the release of the safety recall (notification to the government) and no later than 10 days after the last mailing of the initial customer notification letter pertaining to the recall. To get reimbursed, please file an online warranty claim following normal campaign procedure if you are a registered customer, otherwise, please contact the Prevost Warranty Department at 1-866-870-2046 for reimbursement instructions. ASSISTANCE If you need assistance, please contact your nearest Prevost Service Center. You will find the Prevost Parts & Service Centers location at this address: https://www.prevostcar.com/contact-us/prevost-service-centers COMPLAINTS You may submit a complaint if you believe that Prevost Car US has failed or is unable to remedy the defect without charge or within 60 days of the owners first tender to obtain repair following the earliest remedy program repair date mentioned above. You may submit the complaint to the Administrator of the National Highway Traffic Safety Administration located at 1200 New Jersey Avenue SE, Washington, DC 20590, USA or call the toll-free Vehicle Safety Hotline at: 1-888-327-4236, (TTY): 1- 800-424-9153) or go to http://www.safercar.gov We regret any inconvenience this may cause to your operations, but hope you will appreciate our sincere efforts to demonstrate Prevost’s commitment to provide our customers with the best possible product. Truly yours, Prevost Service Team

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-951 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Prevost Car (US) Inc. Submission Date : JAN 14, 2022 NHTSA Recall No. : 21V-951 Manufacturer Recall No. : SR21-12 Manufacturer Information : Manufacturer Name : Prevost Car (US) Inc. Address : 260 Banker Road PLATTSBURGH NY 12901 Company phone : 999 Population : Number of potentially involved : 201 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2022 Prevost X3 Com; X3 coach Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : The population of affected vehicles was determined based on introduction to production of a new front ceiling panels, P/N 340231 and 341293. Production Dates : JUL 02, 2019 – MAY 14, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Front ceiling panel of affected vehicles may become loose and, potentially, fall down. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If front ceiling panel falls down, it may cause distraction on the driver which may result in a vehicle crash. Prevost has not received a report of death or injury associated with this defect. Therefore we consider this as a proactive measure to protect the public from the potential risk associated with this defect. Description of the Cause : Design defect which does not ensure proper attachment of front ceiling panel. Identification of Any Warning that can Occur : Front ceiling panel become loose and a noise may be produced before, panel falls down. Involved Components : Part 573 Safety Recall Report 21V-951 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Front Ceiling Panel Component Description : Panel made of Aluminum sheet 18 ga 35″x18″ Component Part Number : 340231 for X3 vehicles and 341293 for X3com vehicles Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : – April 19 2021 – First case reported on a X3 coach vehicles – May 11 2021 – Second case reported and first case for X3com vehicles – May 14 2021 – As per client request, a retrofit was released to address the issue on X3com vehicles – May 14 2021 – An internal investigation was open to evaluate this case from safety stand point – September 9, 2021 – Change order was released to address the defect on production line – October 10 2021 – Case submitted for investigation to Product Safety Working Group (PSWG) as a potential safety related issue – December 7 2021 – Case raised to the Product Safety Committee (PSC). PSC determines that a safety defect exists. – December 9 2021 – Defect report submitted to NHTSA. Description of Remedy : Description of Remedy Program : Safety Recall SR21-12 will be released to repair affected vehicles. Owner letters will be mailed on or before February 7th, 2022. Additional hardware will be added to reinforce the attachment of the panels. Pre-notification remedies will be addressed using Prevost’s General Reimbursement Plan. How Remedy Component Differs from Recalled Component : The corrected installation will be affixed with hardware compared to the recalled installation which is only affixed with velcro. Part 573 Safety Recall Report 21V-951 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : A production change order was released on September 9 2021 – P/N 340231 is replaced by P/N 341412 and hardware was added as standard attachment. Recall Schedule : Description of Recall Schedule : Note Prevost does not have a dealer network and the dates entered for the planned dealer notification begin/end date are only to avoid NHTSA Recall Portal error while submitting the recall report. Planned Dealer Notification Date : FEB 07, 2022 – FEB 07, 2022 Planned Owner Notification Date : FEB 07, 2022 – FEB 07, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-951 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Prevost Car (US) Inc. Submission Date : DEC 09, 2021 NHTSA Recall No. : 21V-951 Manufacturer Recall No. : SR21-12 Manufacturer Information : Manufacturer Name : Prevost Car (US) Inc. Address : 260 Banker Road PLATTSBURGH NY 12901 Company phone : 999 Population : Number of potentially involved : 201 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2022 Prevost X3 Com; X3 coach Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : The population of affected vehicles was determined based on introduction to production of a new front ceiling panels, P/N 340231 and 341293. Production Dates : JUL 02, 2019 – MAY 14, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Front ceiling panel of affected vehicles may become loose and, potentially, fall down. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If front ceiling panel falls down, it may cause distraction on the driver which may result in a vehicle crash. Prevost has not received a report of death or injury associated with this defect. Therefore we consider this as a proactive measure to protect the public from the potential risk associated with this defect. Description of the Cause : Design defect which does not ensure proper attachment of front ceiling panel. Identification of Any Warning that can Occur : Front ceiling panel become loose and a noise may be produced before, panel falls down. Involved Components : Part 573 Safety Recall Report 21V-951 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Front Ceiling Panel Component Description : Panel made of Aluminum sheet 18 ga 35″x18” Component Part Number : 340231 for X3 vehicles and 341293 for X3com vehicles Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : – April 19 2021 – First case reported on a X3 coach vehicles – May 11 2021 – Second case reported and first case for X3com vehicles – May 14 2021 – As per client request, a retrofit was released to address the issue on X3com vehicles – May 14 2021 – An internal investigation was open to evaluate this case from safety stand point – September 9, 2021 – Change order was released to address the defect on production line – October 10 2021 – Case submitted for investigation to Product Safety Working Group (PSWG) as a potential safety related issue – December 7 2021 – Case raised to the Product Safety Committee (PSC). PSC determines that a safety defect exists. – December 9 2021 – Defect report submitted to NHTSA. Description of Remedy : Description of Remedy Program : Safety Recall SR21-12 will be released to repair affected vehicles. Owner letters will be mailed on or before February 7th, 2022. Pre-notification remedies will be addressed using Prevost’s General Reimbursement Plan. How Remedy Component Differs from Recalled Component : Hardware was added to reinforce the attachment of the panels. Part 573 Safety Recall Report 21V-951 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : A production change order was released on September 9 2021 – P/N 340231 is replaced by P/N 341412 and hardware was added as standard attachment. Recall Schedule : Description of Recall Schedule : Note Prevost does not have a dealer network and the dates entered for the planned dealer notification begin/end date are only to avoid NHTSA Recall Portal error while submitting the recall report. Planned Dealer Notification Date : FEB 07, 2022 – FEB 07, 2022 Planned Owner Notification Date : FEB 07, 2022 – FEB 07, 2022 * NR – Not Reported

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