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:
Engine Compartment Overview
6.2L V8 Engine
A. Engine Air Cleaner/Filter .
B. Coolant Surge Tank and Pressure Cap. See Cooling System .
C. Remote Positive (+) Terminal. See Jump Starting .
D. Battery ...
Roadside Service
(U.S. and Canada)
U.S.: 1-800-224-1400
Canada: 1-800-882-1112.
Text Telephone (TTY) Users
(U.S. Only): 1-888-889-2438.
Service is available 24 hours a day,
365 days a year. ...
Anti-theft Alarm System
This vehicle may have an anti-theft
alarm system.
The security light, located in the
instrument panel cluster, comes on
when the system is arming. ...