See also:

Wear indicators
1) New tread 2) Worn tread 3) Tread wear indicator Each tire incorporates a tread wear indicator, which becomes visible when the depth of the tread grooves decreases to 0.063 in (1.6 mm). A tir ...

Tire care – maintenance and safety practices
- Check on a daily basis that the tires are free from serious damage, nails, and stones. At the same time, check the tires for abnormal wear. - Inspect the tire tread regularly and replace th ...

Brake pad and lining
While maintaining a speed of 30 to 40 mph (50 to 65 km/h), step on the brake pedal lightly. Repeat this five or more times. ...