Maintenance when Trailer Towing
The vehicle needs service more often when pulling a trailer. See the Maintenance Schedule. 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:
Filling the Tank
CAUTION:
Fuel vapor burns violently and a fuel fire
can cause bad injuries. To help avoid
injuries to you and others, read and follow
all the instructions on the pump island.
Turn off your engi ...
Retained Accessory Power (RAP)
The following accessories can be used for up to
10 minutes after the engine is turned off.
• Audio System
• Audio Steering Wheel (if equipped)
• Clock
• Power Windows
• Sunroof (if eq ...
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 ...