BMW 5 Series: Seat belt buckle switch
The seat belt buckle switches are located in the seat belt buckles of the driver and front passenger seat. European version vehicles are additionally equipped with seat belt buckle switches on the rear seat bench.
The seat belt buckle switch detects whether the seat belt buckle tongue is in the seat belt buckle.
The supply of the sensors and the evaluation occurs through the ACSM. As of the driving condition RESIDING, the seat belt buckle switch is continuously monitored and used for the visual and acoustic seat belt warning and also to determine which restraint systems are to be triggered. The seat belt warning is active as of the DRIVING driving condition.
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G30 Seat belt buckle switch
Emergency call button
The emergency call button is located in the roof function center.
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G30 Roof function center (FZD) with emergency call button
- Emergency call button
Seat-position sensors
In accordance with the US legal requirement (FMVSS208), a height identification for the person in the driver and front passenger seat must be effected. This height identification is effected via the adjustment travel of the forward/back seat adjustment. In US-version vehicles, the exact position is identified using the seat-position sensors for the driver and front passenger seats.
The job of the seat-position detector is to distinguish between a relatively small person and a person of normal height within the lengthways adjustment range of the seat. This detection is another technical feature aimed at increasing the safety of the occupants. The deployment of the 2 airbag stages is then adjusted to the driver's/front passenger's seat position.
The seat-position detector takes the form of a 2-wire hall effect sensor and is supplied with voltage via the ACSM. The current level of the seat-position sensor changes depending on the seat position.
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Actuators
Overview
The following actuators are installed in the G30:
Two-stage driver's airbag
Two-stage front passenger airbag
Knee airbag on front left and right
Head airbag on left and right
Side airba
Front passenger airbag
The purpose of the front passenger airbag is to reduce the risk of accident
to the front passenger in
the event of a front-end crash. The front passenger airbag is located in the
dashboard. When the
Automatic tensioner with linear mechanical force limiter
In the event of a front-end or rear-end crash or rollover, the automatic reel
blocks the extension of the
seat belt in order to restrain the occupants. The belt force limiter limits the
load exerted
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Cameras
The camera systems provide support for parking, maneuvering and for complex
exits and
intersections.
The range of camera systems offered has changed completely with the G30. With
the exception of the
rear view camera, the systems are no longer available as individual items of
optional equipment.
Overview
The vehicle interior shows significant further developments in comparison to
the F10. The all-round
visibility has been improved. This is further supported by the very flat design
of the roof function
center. In addition, the headliner, which is equipped with sound insulation,
helps to make the i
