See also:

What Makes an Airbag Inflate?
In an impact of sufficient severity, the airbag sensing system detects that the vehicle is in a crash. Additionally, in the case of a “rollover capable” roof-mounted side impact airbag, the se ...

Tire Pressure
Tires need the correct amount of air pressure to operate effectively. Notice: Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can re ...

Traction – AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire's ability to stop on wet pavement as measured under controlled conditions on specified gov ...