See also:

Engaging reverse gear R
Only shift the automatic transmission to R when the vehicle is stationary. - When the vehicle is stationary, depress the brake pedal. - Push the DIRECT SELECT lever up past the first poin ...

Engaging parking position P in AMG vehicles
•► If the vehicle is stationary, press P button 1. ...

Making adjustments in 5 mph (Canada: 10 km/h) increments
Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...