See also:

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

Battery
The battery supplies power to start the engine and operate any additional electrical accessories. • To avoid break-down or failure to start the vehicle, maintain a battery with full cranking power. ...

Engine Air Cleaner/Filter
If the vehicle has a diesel engine, see “Pickup Models” under “Engine Air Cleaner/Filter” in the Duramax® Diesel Supplement for the correct inspection and replacement procedures. See Engine ...