To change the cruising speed

See also:

R (Reverse)
This position is for backing the vehicle. To shift from the “N” to “R” position, stop the vehicle completely then move the lever to the “R” position. ...

Summer tires
Summer tires are high-speed capability tires best suited for highway driving under dry conditions. Summer tires are inadequate for driving on slippery roads such as on snowcovered or icy road ...

Examples of the types of accidents in which the SRS side airbag and SRS curtain airbag will basically not deploy.
1) The vehicle is involved in frontal collision with another vehicle (moving or stationary). 2) The vehicle is struck from behind. 3) The vehicle pitches end over end. In the event of accidents ...