Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Safety
Standard safety items include four-wheel-disc antilock brakes and an
electronic stability system. The system has rollover mitigation technology that
senses imminent rollovers and applies individua ...
TTY Users
OnStar has the ability to
communicate to the deaf,
hard–of–hearing, or speech–impaired
customers while in the vehicle.
The available dealer–installed TTY
system can provide in-vehicle
acces ...
Immobilizer Operation
This vehicle has PASS-Key® III+ (Personalized Automotive Security System) theft-deterrent
system. PASS-Key III+ is a passive theft-deterrent system.
The system is automatically armed when the key i ...