To adjust the inside rearview mirror, hold the rearview mirror in the center and move it to view the area behind the vehicle.
For vehicles with a manual rearview mirror, push the tab forward for daytime use and pull it rearward for nighttime use to avoid glare from the headlamps from behind.
Vehicles with OnStar® have three control buttons at the bottom of the mirror. See a dealer for more information about OnStar and how to subscribe to it.
Interior Mirrors
Automatic Dimming Rearview MirrorRemoval Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Collision Sectioning Warning in the Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Dis ...
Engine Heater
The engine heater, if available, can help in cold weather conditions at or below
−18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug
in the heater at least four hours before starting the vehicle. An internal thermostat
in the plug end of the cord will prev ...
When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and
road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for new tires.
Treadwear indicators appear when the tires have only 1.6mm (1/16 in) or less
of tread rem ...