NHTSA complaint: 2018 CHEVROLET MALIBU — SERVICE BRAKES
The brake booster unit, vacuum pump , brake light switch failed and malfunctioned and it is available. My safety and others on the road was at risk due to brakes being stiff and hard as a brick. Possibly nearly hit an other vehicles on the road. No warning lamps or other symptoms prior to the failure.
National Highway Traffic Safety Administration — Office of Defects Investigation