See also:

Valet hand-off
When you have to leave a key with a valet, give them the Intelligent Key itself and keep the mechanical key with you to protect your belongings. To prevent the glove box or console box from being o ...

Active Noise Control (ANC)
By identifying undesirable sounds in the cabin and then playing back through the speakers sound waves of opposite phase, the original noises are cancelled out, making the M's interior a quieter, m ...

Rear window wiper and washer switch
WARNING In freezing temperatures the washer solution may freeze on the rear window glass and obscure your vision. Warm the rear window with the defroster before you wash the rear window. C ...