See also:

Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear. ...

Tire Designations
Tire Size The following is an example of a typical passenger vehicle tire size. (A) Passenger (P—Metric) Tire: The United States version of a metric tire sizing system. The letter P as ...

Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers and braking, which helps the passenger sensing system maintain the passenger airbag status. See “Safety Belts ...