See also:

Speedometer
The speedometer shows the vehicle speed. ...

Operation
If the driver and/or front passenger have/ has not yet fastened the seatbelt(s) when the ignition switch is turned to the “ON” position, the seatbelt warning light(s) will flash for 6 seconds, ...

Effect vehicle modifications made for persons with disabilities may have on SUBARU advanced frontal airbag system operation (U.S. only)
Changing or moving any parts of the front seats, rear seat, seatbelts, front bumper, front side frame, radiator panel, instrument panel, combination meter, steering wheel, steering column, tire, suspe ...