See also:

Audio System
NOTE: If you install an aftermarket HID headlamp, your vehicle's audio and electronic device may malfunction. ...

Vacuum crankcase ventilation hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate deterioration. Particular att ...

Tire pressure monitoring system (TPMS)
(If installed) Low Tire Pressure Telltale. TPMS Malfunction Indicator. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure ...