See also:

Checking bulbs
With all doors closed, apply the parking brake and place the ignition switch in the ON position without starting the engine. The following lights will come on: If equipped, the following li ...

Reporting safety defects (US only)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) ...

ON position
When the switch is in the ON position 1 , the ceiling light will illuminate. ...