See also:

Vehicle equipment
All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...

Tire inflation pressures X5 xDrive35i/X5 xDrive35d with three rows of seats
...

Safety belt reminder for the driver's and front passenger seat
The indicator lamp flashes or lights up and a signal sounds. Make sure that the safety belts are positioned correctly. The safety belt reminder is active at speeds above approx. 5 mph/8 km/h ...