Automatic Dimming Mirror Operation

The automatic dimming mirror function is turned on automatically each time the ignition is started.

To operate the automatic dimming mirror, do the following:

1. Make sure the green indicator light, located to the left of the on/off button, is lit. If it’s not, press and hold the on/off button until the green light comes on, indicating that the mirror is in automatic dimming mode.
2. Turn off the automatic dimming mirror function by pressing and holding the on/off button until the green indicator light turns off.

    See also:

    Recommended Fuel
    Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be hear ...

    General Information
    For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

    Flash-to-Pass
    This feature lets you use the high-beam headlamps to signal the driver in front of you that you want to pass. It works even if your headlamps are off. Pull the turn signal lever toward you briefl ...