Footnotes — Maintenance Schedule Additional Required Services — Normal
a) 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.
b) Or every four years, whichever comes first.
c) Or every five years, whichever comes first. See Cooling System .
d) Or every 10 years, whichever comes first. Inspect for fraying, excessive cracking, or damage; replace, if needed.

See also:
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 sy ...
Remote Start Heated Seats
When it is cold outside, the heated seats can be turned on automatically during
a remote vehicle start. The heated seats will be canceled when the ignition is turned
on. Press the control to use t ...
Getting Familiar with Off-Road Driving
It is a good idea to practice in an area that is
safe and close to home before you go into the
wilderness. Off-road driving does require some
new and different driving skills. Here is what
we mean ...
