See also:

Fan control dial
The fan control dial turns the fan on and off, and controls fan speed. ...

Adjustable headrest (if so equipped)
WARNING: The adjustable headrests supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjust the headrests prope ...

Readiness for inspection/maintenance (I/M) test
Due to legal requirements in some states and Canadian Provinces, your vehicle may be required to be in what is called the ready condition for an Inspection/Maintenance (I/M) test of the emissi ...