NHTSA Complaint #11683824 — 2022 BUICK ENVISION

The OnStar Telematics Module has malfunctioned and is causing SAFETY FEATURES to malfunction. It is causing the following to occur to the vehicle: 1. The faulty module is causing the car to shut OFF UNEXPECTEDLY MID DRIVE. Losing control of the vehicle instantly. No steering, no gas, no brake, no gear change. THIS can cause a CATASTROPHIC ACCIDENT at higher speeds on the highways. The battery is completely drained when technicians inspect it but the alternator is working properly. 2. Causes the vehicle’s safety features to malfunction and give alerts such as “Service Driver Assist”, “Lane Departure Unavailable”, “Forward Collision Assist Unavailable”, “Steering Control Unavailable Soon”. 3. Causes GPS, WiFi, and location system to fail. 4. OnStar safety button do not work 5. Causes the engine light to go on and off and causes the cars idling to run erratically. 6. The module causes NEW batteries to drain quickly, less than a year after purchase. I have had the car shut off on me twice MID DRIVE, I was lucky to be in areas of less concern and harm. I’ve had to purchase two batteries since the module malfunctioned. Less than a year apart. The dealership confirmed it was the Telematics Module January 2025. They have confirmed the part is on backorder and not covered under warranty. NO INDICATORS were given when the car shut off BOTH times that I may have noticed or heard.