This vehicle has an anti-theft alarm system.

The security light, on the instrument panel near the windshield, indicates the status of the system: Off: Alarm system is disarmed.
On Solid: Vehicle is secured during the delay to arm the system.
Fast Flash: Vehicle is unsecured.
A door, the hood, or the trunk is open.
Slow Flash: Alarm system is armed.
Arming the Alarm System
on
on the RKE transmitter a second
The vehicle alarm system will not arm if the doors are locked with the key.
If the driver door or liftgate is opened without first unlocking with the RKE
transmitter, the horn will chirp and the lights will flash to indicate a pre-alarm.
If the vehicle is not started, or the door is not unlocked by pressing
on the RKE transmitter during the 10-second
pre-alarm, the alarm will be activated.
The alarm will also be activated if the passenger door, the liftgate, or the hood is opened without first disarming the system. When the alarm is activated, the turn signals flash and the horn sounds for about 30 seconds. The alarm system will then re-arm to monitor for the next unauthorized event.
Disarming the System
To disarm the system or turn off the alarm if it has been activated, do one of the following:
on the RKE transmitter.To avoid setting off the alarm by accident:
Unlocking the driver door with the key will not disarm the system or turn off the alarm.
How to Detect a Tamper Condition
If
is pressed on the RKE transmitter
and the horn chirps or the lights flash three times, a previous alarm occurred while
the system was armed.
If the alarm has been activated, a message will appear on the DIC.
See Vehicle Messages on page 5-26 for more information.
Immobilizer
See Radio Frequency Statement on page 13-12.
Vehicle Security
Immobilizer OperationHazard Warning Flashers
The hazard warning flasher button is on the center stack.
(Hazard Warning Flasher): Press
to make the front and rear turn signal lamps flash on and off.
This warns others that you are having trouble. Press the button again to turn
the flashers off.
When the hazard warning flashers are on, ...
Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps
Stoplamp/Taillamp
Turn Signal Lamp/Taillamp
Back-up Lamp
To replace a taillamp, turn signal lamp, stoplamp, or back-up bulb:
Open the liftgate. See Liftgate on page 2-8.
Remove the two screws and the lamp assembly.
Turn the bulb socket counterclockwise and remove the so ...
OnStar Additional Information
Transferring Service
Press to request account transfer
eligibility information. The Advisor can assist in canceling or removing account
information.
Selling/Transferring the Vehicle
Call 1-888-4-ONSTAR immediately to terminate your OnStar services if the vehicle
is disposed of, sold, trans ...