See also:

Head Restraints
The vehicle's front seats have adjustable head restraints in the outboard seating positions. WARNING With head restraints that are not installed and adjusted properly, there is a greater chance that ...

Passing
More passing distance is needed when towing a trailer. Because the rig is longer, it is necessary to go farther beyond the passed vehicle before returning to the lane. ...

Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information. The cooling system allows the engine to maintain the correct working temperature. 5.3 L En ...