Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See this manual's Maintenance Schedule or Index for more information. Things that are especially important in trailer operation are automatic transmission fluid, engine oil, axle lubricant, belts, cooling system, and brake system. It is a good idea to inspect these before and during the trip.
Check periodically to see that all hitch nuts and bolts are tight.
See also:
Interior Mirrors
Automatic Dimming Rearview Mirror
The vehicle has an automatic dimming inside rearview mirror.
Automatic dimming reduces the glare from the headlamps of the vehicle behind you.
Vehicles with OnStar ...
What Kind of Engine Oil to Use
Look for three things:
• GM6094M
Use only an oil that meets GM Standard GM6094M.
• SAE 5W-30
SAE 5W-30 is best for the vehicle. These numbers
on an oil container show its viscosity, or thi ...
Using the Call Command
1. Press
.
► For vehicles without a navigation system, the system responds “Ready,” followed by a tone.
► For vehicles with a navigation system, the system responds with a tone. Aft ...