The system reads if the front passenger seat is occupied by measuring the human body's resistance.
Front, knee and side airbag on the front passenger's side are either activated or deactivated.
Leave feet in the footwell
Make sure that the front passenger keeps his or her feet in the footwell; otherwise, proper functioning of the front passenger airbag might not be assured.
Child restraint fixing system in the front passenger seat
Before transporting a child on the front passenger seat, refer to the safety notes and instructions for children on the front passenger seat, see Children.
Malfunction of the automatic deactivation system When transporting older children and adults, the front-seat passenger airbags may be deactivated in certain sitting positions. In this case, the indicator lamp for the front-seat passenger airbags lights up.
In this case, change the sitting position so that the front-seat passenger airbags are activated and the indicator lamp goes out.
If it is not possible to activate the airbags, have the person sit in the rear.
To enable correct recognition of the occupied seat cushion
Indicator lamp for the front-seat passenger airbags
The indicator lamp for the front-seat passenger airbags indicates the operating state of the front-seat passenger airbags.
The lamp indicates whether the airbags are either activated or deactivated.
Detected child seats The system generally detects children seated in a child seat, particularly in child seats required by NHTSA when the vehicle was manufactured. After installing a child seat, make sure that the indicator lamp for the front-seat passenger airbags lights up. This indicates that the child seat has been detected and the front-seat passenger airbags are not activated.
BMW X3 Owners Manual > Adjusting: Vehicle features and options
This chapter describes all standard, country-specific
and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The ...