To change the cruising speed

See also:

Recommended brake fluid
CAUTION Never use different brands of brake fluid together. Also, avoid mixing DOT 3 and DOT 4 brake fluids even if they are the same brand. ...

If you park your vehicle in an emergency
The hazard warning flasher should be used in day or night to warn other drivers when you have to park your vehicle under emergency conditions. Avoid stopping on the road. It is best to safely pul ...

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 governme ...