See also:

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

Towing a vehicle with both axles on the ground
When having your vehicle towed, observe the important safety notes. WARNING The power assistance for the steering and the brake force booster do not work when the engine is not running. You w ...

Notes on regularly inspecting wheels and tires
WARNING Regularly check the tires for damage. Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. Worn, old tires can cause accident ...