See also:

Readiness for Inspection/Maintenance (I/M) testing
Some state/provincial and local governments may have Inspection/Maintenance (I/M) programs to inspect the emission control equipment on your vehicle. Failure to pass this inspection could prevent ...

Headlamp control
Turns the lamps off. Turns on the parking lamps, instrument panel lamps, license plate lamps and tail lamps. Turns the headlamps on. ...

Trailer lamps
Trailer lamps are required on most towed vehicles. Make sure all running lights, brake lights, turn signals and hazard lights are working. Do not connect trailer lamps directly to your vehicle’s t ...