See also:

How does the air bag system operate
• Air bags are activated (able to inflate if necessary) only when the ignition switch is turned to the ON or START position. • Air bags inflate instantly in the event of serious frontal or side col ...

Checking electric cooling fans
WARNING: The cooling fan is controlled by engine coolant temperature and may sometimes operate even when the engine is not running. Use extreme caution when working near the blades of the cooling ...

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 ...