OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped. OnStar can unlock the vehicle doors remotely, if it is equipped with automatic door locks, and can help police locate the vehicle if it is stolen.
Emergency
NavigationVehicle Alarm System
This vehicle has a theft alarm system.
Arming the System
To arm the system, use the power door lock switch or the RKE transmitter to lock
the vehicle while exiting with the vehicle turned off.
The alarm arms after about 30 seconds after all the doors have been closed.
Press again and the syst ...
Roof
Sunroof
The sunroof only operates when the ignition is in ON/RUN or ACC/ ACCESSORY, or
when Retained Accessory Power (RAP) is active.
To open or close the sunroof, press the open or close sunroof switch (1) to the
first detent position.
To express open or close the sunroof with the safety f ...
Symptoms - Squeaks and Rattles
Table 1: Rattle Coming From the Side Rail
Table 2: Rattle Under Vehicle at Higher RPM
Table 3: Thump From Rear of Vehicle on Bumps
Table 4: Glass Knock Coming From the Rear of the Vehicle When Driving Over
Bumps
Table 5: Rattle Coming From Door
Table 6: Squeak When Operating Doors
Table 7: S ...