Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    Tire Pressure Monitor System
    The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor the air pressure in your tires and transmit tire pressure rea ...

    Low-Beam Headlamps/Daytime Running Lamps (DRL), High-Beam Headlamps (Base)
    1. From the back side of the headlamp assembly, remove the top cap to replace the low-beam headlamp/DRL bulb. 2. From the back side of the headlamp assembly, remove the bottom cap to repl ...

    Brake Assist
    This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brak ...