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:
Sensors
The solar sensor, located in the defrost grille, in the
middle of the instrument panel, monitors the solar
radiation. Do not cover the solar sensor or the system
will not work properly.
There ...
Heated Seats
On vehicles with heated seats, the controls are located
on the front doors and the ignition must be on to
use the feature.
: Press to heat the seat and
seatback.
: Press to heat the seatback ...
Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard.
If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...