Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
EPB Release
To release the EPB, place the
ignition in the ON/RUN position,
apply and hold the brake pedal, and
push down momentarily on the EPB
switch. If you attempt to release the
EPB without the brak ...
Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the engine is turned off:
► Audio System
► Power Windows
► Sunroof (If Equipped)
► Auxiliary Power Outle ...
Windshield Wiper/Washer
Windshield Wiper/Washer
The windshield wiper lever is on the
right side of the steering column.
With the ignition in ACC/ACCESSORY or ON/RUN, move
the windshield wiper lever to select
the wi ...