Arming the System
To arm the system, do one of the following:
○ Press 
on the RKE transmitter.
○ Lock the vehicle using the key in the driver door.
The alarm automatically arms after about 30 seconds. The security light, located on the instrument panel, flashes.
Press 
on the RKE transmitter to
open the liftgate without setting off the alarm. The system rearms when the liftgate
is closed.
See also:
If the Off Indicator is Lit for an Adult-Size Occupant
If a person of adult-size is sitting in the right front passenger seat, but the
off indicator is lit, it could be because that person is not sitting properly in
the seat. If this happens, use the ...
Vehicle Reminder Messages
ICE POSSIBLE DRIVE WITH CARE
This message is displayed when ice conditions are possible.
TURN WIPER CONTROL TO INTERMITTENT FIRST
This message is displayed when attempting to adjust the intermitten ...
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 ava ...