See also:

Ignition mode functions
The various ignition modes are accessed with the remote key in the ignition slot1. ...

How do states use OBD II for emission inspections?
Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission ...

Vanity mirror
The light comes on when you open the cover. ...