See also:

On-board diagnostics (OBD-II)
Your vehicle is equipped with a computer that monitors the engine’s emission control system. This system is commonly known as the on-board diagnostics system (OBD-II). The OBD-II system protects t ...

Air filter
Refer to scheduled maintenance information for the appropriate intervals for changing the air filter element. When changing the air filter element, use only the air filter element listed. Refer ...

Trailer brakes
Be sure your trailer conforms to all applicable local and Federal regulations regarding trailer braking. If your trailer is equipped with electronically-controlled brakes you will need to have an ...