See also:

Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine and/or an Allison Transmission, see the maintenance schedule section in the DURAMAX® Diesel ...

Horn
Pressa on the steering wheel pad to sound the horn. ...

Power Outlets
The accessory power outlets can be used to connect electrical equipment, such as a cell phone or MP3 player. There are four accessory power outlets in the following locations: below the CD slot, ...