Footnotes — Maintenance Schedule Additional Required Services — Normal
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. More frequent replacement may be needed if the vehicle is driven in areas with heavy traffic, areas with poor air quality, or areas with high dust levels.
Replacement may also be needed if there is a reduction in air flow, excessive window fogging, or odors.
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:
Winter Tires
Consider installing winter tires on
the vehicle if frequent driving on
snow or ice covered roads is
expected. All season tires provide
good overall performance on most
surfaces, but they may ...
UHP Controls
Use the buttons located on the infotainment system and the steering wheel to
operate the UHP system.
Steering Wheel Controls
Steering wheel controls can be used to:
- Answer incoming calls
...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation
screen. Destinations can also be forwarded to the veh ...