Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer.
See Maintenance Schedule on page 11‑3. Things that are especially important in trailer operation are automatic transmission fluid, engine oil, axle lubricant, belts, cooling system and brake system. Inspect these before and during the trip.
Check periodically to see that all hitch nuts and bolts are tight.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Rear Vision Camera Error Messages
Service Rear Vision Camera System: This message can display when the system is not receiving information it requires from other vehicle systems.
If any other problem occurs or if a problem persists, ...
Interior Care
To prevent dirt particle abrasions, regularly clean the vehicle's interior.
Immediately remove any soils. Note that newspapers or dark garments that can transfer color to home furnishings can also pe ...