Audi S4 2020

• Recall 188904 [USA]: Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
  Volkswagen group of america, inc. (audi) is recalling certain 2019-2021 audi a5 sportback, rs5 coupe, rs5 sportback, s5 sportback, 2020-2021 a4 allroad, a4 sedan, a5 cabriolet, a5 coupe, a6 allroad, a6 sedan, a7, a8, q5, s4 sedan, s5 coupe, s5 cabriolet, s6 sedan, s7, s8, sq5, 2021 q5 sportback, q7, q8, rs6 avant, rs7, rsq8, sq5 sportback, sq7, and sq8 vehicles. The rear axle alignment may not have been inspected after the repairs for recall 21v-295 (42l1) were performed.
  dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed march 3, 2022. Owners may contact audi customer service at 1-800-253-2834. Audi's number for this recall is 42l5.
  owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.Nhtsa.Gov.

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• Recall 183550 [USA]: A disabled passenger air bag increases the risk of injury in the event of a crash.
  Volkswagen group of america, inc. (audi) is recalling certain 2017-2020 a4 allroad, a4 sedan, 2018-2019 rs5 coupe, 2019 rs5 sportback, 2018-2020 a5 cabriolet, a5 coupe, a5 sportback, s4 sedan, s5 cabriolet, s5 coupe, and audi s5 sportback vehicles. The cable connecting the seat heater to the passenger occupant detection system (pods) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
  dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed january 7, 2022. Owners may contact audi customer service at 1-800-253-2834. Audi's number for this recall is 74e3. This recall is an expansion of recall 19v-547 (74d9). Vehicles previously repaired under 19v-547 will need to return for the new remedy.
  owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.Nhtsa.Gov.

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• Recall 184905 [USA]: A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
  Volkswagen group of america, inc. (audi) is recalling certain 2021 q7, q8, q5 sportback, sq5 sportback, rs6 avant, rs7, rs q8, 2020-2021 audi s6 sedan, q5, a8, s8, a7, a6 allroad, a5 cabriolet, a4 sedan, a4 allroad, sq5, s7, a6 sedan, s5 coupe, s4 sedan, s5 cabriolet, a5 coupe, 2019-2021 rs5 coupe, a5 sportback, s5 sportback, rs5 sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
  dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed june 4, 2021. Owners may contact audi customer service at 1-800-253-2834. Audi's number for this recall is 42l1.
  owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to www.Safercar.Gov.

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• Recall 2022022 [Canada]: Suspension
  Issue: on certain vehicles, the rear wheel alignment was not checked during recall 42l1 (transport canada recall 2021-249). As a result, the steering could pull to one side or another and the tires could wear unevenly. If you continue to drive the vehicle in this condition, there may be reduced traction. Eventually, a tire could fail and lose air pressure. Safety risk: a tire failure could cause a loss of control and increase the risk of a crash. Corrective actions: audi will notify owners by mail and instruct you to take your vehicle to a dealer to inspect and adjust the rear wheel alignment, as necessary. Additionally, the dealer will inspect the rear tires for premature and uneven wear due to this issue, and replace them if necessary.

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• Recall 2021249 [Canada]: Suspension
  Issue: on certain vehicles, the lock nuts for the rear trailing arm bolts may be defective. If a nut breaks, there could be sudden changes in rear wheel alignment. This can cause a loss of vehicle stability. Safety risk: reduced vehicle stability could cause a loss of control and increase the risk of a crash. Corrective actions: audi will notify owners by mail and instruct you to take your vehicle to a dealer to replace the rear trailing arm lock nuts. If necessary, the associated bolt(s) will be replaced as well.

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To ensure accuracy and for your safety, it is recommended to do a free VIN recall check here or here [USA] - UK - Canada.

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.