See also:

PSI (pounds per square inch)
A standard unit of measure for tire pressure. ...

Applying/releasing manually
To apply: press handle 1. The red (USA only) or (Canada only) indicator lamp in the instrument cluster lights up. The electric parking brake can also be applied when the SmartKey is remov ...

Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 wo ...