See also:

Checklist after driving off-road
WARNING   If you notice sudden significant vibrations or unusual handling performance or if you suspect that damage has occurred to the vehicle, you should activate the hazard warning l ...

Brake fluid level
If you notice that the brake fluid level in the brake fluid reservoir has fallen to the MIN mark or less, check the brake system immediately for leaks. Also check the thickness of the brake ...

Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached. ...