Power Door Locks
Press 
or
on the Remote Keyless Entry (RKE) transmitter.
See Remote Keyless Entry (RKE) System Operation .
Premium Trim Shown, Up-Level Similar
(Lock): Press to lock the doors.
(Unlock): Press to unlock the doors.
See also:
Hill Start Assist (HSA)
Non-hybrid vehicles with StabiliTrak have a Hill Start Assist (HSA) feature,
which may be useful when the vehicle is stopped on a grade. This feature is designed
to prevent the vehicle from rollin ...
Airbag System Check
The airbag system does not need regularly scheduled maintenance or
replacement. Make sure the airbag readiness light is working.
See Airbag Readiness Light.
Notice: If an airbag covering is dam ...
Security
OnStar provides services like Stolen
Vehicle Assistance, Remote Ignition
Block, and Roadside Assistance,
if the vehicle is equipped with these
services. OnStar can unlock the
vehicle doors r ...