See also:

Brake Assist System (BAS)
The BAS is designed to optimize the vehicle’s braking capability during emergency braking maneuvers. The system detects an emergency braking situation by sensing the rate and amount of brake a ...

Tire Terminology And Definitions
...

Full Size Spare – If Equipped
The full size spare is for temporary emergency use only. This tire may look like the original equipped tire on the front or rear axle of your vehicle, but it is not. This spare tire may have limite ...