See also:

Load bearing index
The load bearing index (also load index) is a code that contains the maximum load bearing capacity of a tire. ...

Checking the oil level using the oil dipstick
On vehicles with a 12-cylinder engine, the oil level can be checked using the on-board computer. On all other models, the dipstick must be used to check the engine oil level. Example: vehic ...

Bead
The tire bead ensures that the tire sits securely on the wheel. There are several steel wires in the bead to prevent the tire from coming loose from the wheel rim. ...