To change the cruising speed

See also:

Tire labeling
Many markings (e.g. Tire size, Tire Identification Number or TIN) are placed on the sidewall of a tire by tire manufacturers. These marking can provide you with useful information on the tire. ...

Example of accident in which the driver’s/driver’s and front passenger’s SRS frontal airbag(s) will most likely deploy.
A head-on collision against a thick concrete wall at a vehicle speed of 12 to 19 mph (20 to 30 km/h) or higher activates only the driver’s SRS frontal airbag or both driver’s and front passenger’s S ...

To decrease the speed (by the “RES/SET” switch)
Press the “RES/SET” switch to the “SET” side and hold it until the vehicle reaches the desired speed. Then, release the switch. The vehicle speed at that moment will be memorized and treated as ...