Lockout Protection
This feature protects you from locking the key in the vehicle when the key is in the ignition and a front door is open.
If the driver side power door lock switch is pressed when the driver door is open and the key is in the ignition, all of the doors will lock and then the driver door will unlock.
If the passenger side power door lock switch is pressed when the front passenger door is open and the key is in the ignition, all of the doors will lock and then the front passenger door will unlock.
See also:
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before starting this check, be sure there is enough room aroun ...
How to Detect a Tamper Condition
If is pressed and the horn sounds,
an attempted break-in has occurred while the system was armed.
If the alarm has been activated, the THEFT ATTEMPTED message will appear on the
DIC. See Key and ...
Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push to try the call again or try again after driving a few miles into another ce ...





