BMW X5: heating and ventilation, 3rd row seats
The air in the area of the 3rd row seats can be heated or recirculated. Air vents are located in the storage compartment area between the seats and in the footwell of the 3rd row seats.

BMW X5: heating and ventilation, 3rd 
row seats
1. Thumbwheel
▷ Activating heating and distributing air in footwell:
Turn toward front
▷ Distributing air in storage compartment 
area between seats:
Turn toward rear
2. Button for switching on the blower: LED is lit The heating is not ready for operation without switching on the blower. After the heating is switched off, the blower can be used to recirculate the air within the vehicle, for instance at high temperatures. To do this, turn thumbwheel 1 toward the rear and switch on the blower, button 2.
See also:
Adjusting
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Equipment
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