See also:

Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside rearview mirror with OnStar® and/or a compass display. Automatic dimming reduces the glare from the headlamps of the vehicle behind you. The dim ...

Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circui ...

Bulb Replacement
For any bulb changing procedure not listed in this section, contact your dealer. ...