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:
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control
equipment. For the inspection, the emission system test equipment is connected to
the vehicle’s Data Link Conn ...
Engine Drive Belt Routing
V6 Engines
V8 Engines
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
If the vehicle is a hybrid, see the hybrid supplement for more information. ...
Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless
service carrier.
○ Press to answer an incoming call
when another call is active. The original call is placed on ...





