Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Horn
Press on the steering wheel pad
to sound the horn. ...
Delayed Locking
This feature delays the locking of the doors and
the liftgate when using the power lock or the
remote keyless entry system.
The first press of the power door lock switch or
lock button on the re ...
Antilock Brake System (ABS) Warning Light
The Antilock Brake System (ABS) light comes on briefly when the engine is started.
If the light does not come on, have it fixed so it will be ready to warn if there is a problem.
If the ABS light ...