See also:

Rocking the vehicle
If you must rock the vehicle to free it from snow, sand, or mud, depress the accelerator pedal slightly and move the shift lever/select lever back and forth between “1”/“D” and “R” repeatedly. ...

Washing the underbody
Chemicals, salts and gravel used for deicing road surfaces are extremely corrosive, accelerating the corrosion of underbody components, such as the exhaust system, fuel and brake lines, brake cabl ...

D (Drive)
This position is for normal driving. The transmission automatically shifts into a suitable gear according to the vehicle speed and the acceleration you require. When more acceleration is required ...