Outside Automatic Dimming Mirror

If the vehicle has this feature, the driver side mirror adjusts for the glare of headlamps behind you. This feature is controlled by the on and off settings on the automatic dimming rearview mirror. See Automatic Dimming Rearview Mirror for more information.

Turn Signal Indicator

The vehicle may also have a turn signal indicator on the mirror. An arrow on the outside rearview mirror flashes in the direction of the turn or lane change. See Turn and Lane-Change Signals for more information.

Side Blind Zone Alert (SBZA)

If the vehicle has the Side Blind Zone Alert (SBZA) system, see Side Blind Zone Alert (SBZA).

    See also:

    Side Blind Zone Alert (SBZA)
    The vehicle may have a Side Blind Zone Alert (SBZA) system. Read this entire section before using the system. WARNING: SBZA is only a lane changing aid and does not replace driver vision. SBZA ...

    Deleting Tracks from MEM
    Individual tracks and all tracks can be deleted from MEM. To delete individual tracks, press and release the DEL button while the track is playing. To delete all tracks from MEM, press and h ...

    Automatic Crash Response
    In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...