Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
• The ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
• The ignition key should come out only in LOCK/OFF.
Contact your dealer if service is required.
See also:
Radio(s)
VOL/ : Press to turn the system
on and off. Turn to increase or decrease the volume.
SOURCE: Press to choose between FM, AM, XM™, if equipped, CD, or AUX.
MENU/SEL: Turn to select radio station ...
Engine Compartment Overview
5.3 L V8 Engine Shown (4.3 L V6 Engine, 4.8 L V6 Engine, 6.0 L V8 Engine, and
6.2 L V8 Engine Similar)
A. Engine Air Cleaner/Filter on page 10‑17.
B. Coolant Surge Tank and Pressure Cap. S ...
TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, or speech&-impaired
customers while in the vehicle. The available dealer&-installed TTY system can provide
in-vehicl ...