Footnotes — Maintenance Schedule Additional Required Services — Severe
a) Vehicles with different size front and rear tires do not have tire rotation. See Tire Rotation.
b) Or every two years, whichever comes first.
c) Check all fuel and vapor lines and hoses for proper hook–up, routing, and condition. Check that the purge valve, if the vehicle has one, works properly. Replace as needed.
d) Or every four years, whichever comes first.
e) Do not directly power wash the transfer case output seals. High pressure water can overcome the seals and contaminate the transfer case fluid. Contaminated fluid will decrease the life of the transfer case and should be replaced.
f) Or every five years, whichever comes first. See Cooling System.
g) Or every 10 years, whichever comes first. Inspect for fraying, excessive cracking, or damage; replace, if needed.
h) Inspect for fraying, excessive cracking, or damage; replace, if needed.
See also:
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech-impaired and who
use Text Telephones (TTYs), Cadillac has TTY equipment available at its Customer
Assistance Center. Any TTY user can c ...
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines,
transmission, axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service B ...
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can
connect to a live Advisor for Emergency, Security, Navigation, Connection, and
Diagnostic Services.
The OnStar system ...






