The vehicle is parked on a vehicle lift, ramp or similar and the adjustable front diffuser can be accessed from below.
Adjustable front diffuser will be released.
If the front diffuser is not engaged, the front diffuser warning lamp will light up on the instrument cluster:
When the front diffuser is extended, a corresponding message will appear on the multifunction display with each ignition cycle and when the driver's door is closed.
Note the restricted ground clearance when the front diffuser is extended.
If the front diffuser is not engaged, the front diffuser warning lamp will light up on the instrument cluster: