Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Parking Brake
Set the parking brake by holding the regular brake pedal down, then pushing down
the parking brake pedal.
If the ignition is on, the brake system warning light will come on. See Brake
System Wa ...
BATTERY VOLTS LOW
This message displays when the
electrical system is charging less
than 10 volts or the battery has
been drained.
If this message appears
immediately after starting the
engine, it is possibl ...
Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com
to their Turn-by-Turn Navigation or screen-based navigation system. When ready,
the directions will be downlo ...