See also:

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indic ...

Interior lights and personal lights
Interior lights 1. Front and rear interior lights ON/OFF. 2. Door position ON/OFF. The illuminated entry system is activated when the switch is in the locked position (the door position is on ...

Event data recorder
Your vehicle has computers that monitor and control certain aspects of your vehicle. These computers assist in driving and maintaining optimal vehicle performance. Besides storing data useful for t ...