General Motors, LLC (GM) is recalling certain 2016-2021 Chevrolet Malibu and 2019-2021 Cadillac XT4 vehicles. The rear seat belt retractors may be improperly secured with loose or missing fasteners.

Consequence: An improperly secured seat belt retractor may not function properly in a crash, increasing the risk of injury.

Remedy: Dealers will inspect and tighten the rear seat belt retractors, as necessary, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020 and Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212333380.

NHTSA campaign 21V649000

General Motors LLC (GM) is recalling certain 2016-2018 Chevrolet Malibu vehicles. During servicing, a Passenger Presence System (PPS) may have been installed that was not correctly calibrated to the vehicle's seat type. As a result, the PPS may not properly identify an adult passenger from a child passenger in the front passenger seat, potentially causing the air bag to not deploy when it should, or causing the air bag to deploy when it shouldn't.

Consequence: In the event of a crash, improper air bag deployment can increase the risk of injury.

Remedy: GM will notify owners, and dealers will replace the front passenger PPS seat service kit, free of charge. The recall began August 7, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 18208.

NHTSA campaign 18V400000

General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.

Consequence: A damaged fuel line can create a fuel leak, increasing the risk of a fire.

Remedy: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.

NHTSA campaign 18V358000

General Motors LLC (GM) is recalling certain 2017 Malibu vehicles manufactured on November 10, 2016. The right-hand rear side air bag inflator manifold may have insufficient welds.

Consequence: Insufficient welds could cause the inflator to separate and propel air bag debris into the cabin during a crash. Also, the inflator could fail to inflate during a crash, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will replace the rear side air bag modules, free of charge. The recall began on January 25, 2017. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 16146.

NHTSA campaign 16V870000