See also:

Downhill gradients
On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overheati ...

Brow of hill
When driving up an uphill gradient, slightly reduce pressure on the accelerator immediately before reaching the brow of the hill. Use the vehicle's own impetus to drive over the top of the hil ...

Speed rating
The speed rating is part of the tire identification. It specifies the speed range for which the tire is approved. ...