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The safety system in the Audi A4 ´05 consists of the following components and functions:
–Airbag control unit
–Driver and front passenger airbags, two-stage
–Front side airbags
–Sideguards (head airbags)
–Side impact detection sensors on the C-pillar
–Side impact detection sensors in the front doors (pressure sensors)
–Crash sensors for intelligent head-on collision detection, so-called upfront sensors
–Front belt tensioners
–Seat belt reminders for driver and front passenger
–Switches in the front seat-belt buckles
–Seat occupied sensor, front passenger seat
–Active head restraints in the front seats
–Rear collision detection
Rear side airbags and deactivation of the front passenger front airbag by keyswitch with associated warning
lamp are available as optional extras.
In some countries, such as the North American market, deviating specifications may apply due to different
country-specific requirements.
E25 Belt switch - front passenger side
J234 Airbag control unit
E24 Belt switch - driver side
N252 Curtain airbag igniter, front passenger side
N251 Curtain airbag igniter, driver side
N154 Belt tensioner igniter -2-, front passenger side
N200 Side airbag igniter, front passenger side
G257 Rear side airbag crash sensor, front passenger side (C-pillar)
N153 Belt tensioner igniter -1-, driver side
N199 Side airbag igniter, driver side
G256 Rear side airbag crash sensor, driver side (C-pillar)
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