Press the button on the seat adjustment knob.

The seat adjustment view appears in the center display.
Select Massage.
Select your preferred program, speed and intensity.
Select Start
Massage starts and a notification appears in the center display telling you how long the massage will run for.
If you would like to stop the massage before the massage program finishes, select Stop from the massage view in the center display.
Tip
You can also reach the massage view in the center display via settings without using the seat adjustment knob.