Arming the System
To arm the system, press 
on the
RKE transmitter.
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 trunk without setting off the
alarm. The system rearms when the
trunk is closed.
See also:
OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that
can be used to interact with OnStar® Hands-Free
Calling.
On some vehicles, you may have to hold the
button for a few seconds and give the command
†...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Remote Keyless Entry (RKE)System Operation
With this system you can lock and unlock your
doors from about 3 feet (1 m) up to 30 feet (9 m)
away using the remote keyless entry transmitter
supplied with your vehicle.
(Unlock): When
you p ...