See also:

To memorise speed
Proceed as follows: ❒ turn the knurled ring (A) to ON and press the accelerator pedal to the required speed; ❒ turn the knurled ring (B) to (+) for at least three seconds, then relea ...

Treadwear
The Treadwear grade is a comparative rating, based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would ...

To reduce memorised speed
The speed memorised can be increased in two ways: ❒ disengaging the device and then memorising the new speed; or ❒ keeping the ring (B) pressed at (–) until reaching the new speed whi ...