Mack Trucks – Low Turn Signal Visibility/FMVSS 108

Mack Trucks (Mack) is recalling certain 2015-2023 GU and GR vehicles. The turn signals may be positioned incorrectly, reducing their visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, “Lamps, Reflective Devices, and Associated Equipment.”


Report Received Date 08/25/2023
NHTSA ID 23V600000
Consequence Summary Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.
Corrective Action Dealers will add additional turn signal lighting, free of charge. Owner notification letters are expected to be mailed October 17, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0448.
Recall Code SC0448
Potentially Affected 27418
Fire Risk When Parked No
Do Not Drive No
Recall Link Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=23V600000)

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