3
Passive safety
Overview _____________________________________________________________________________________________________________________________________________________ 4
Components _________________________________________________________________________________________________________________________________________________ 4
System overview ____________________________________________________________________________________________________________________________________________ 6
Centre crash sensor for X/Y axis G858 ____________________________________________________________________________________________________________________ 8
Airbag control unit J234 ____________________________________________________________________________________________________________________________________ 8
Seat belts ___________________________________________________________________________________________________________________________________________________12
Lap belt tensioner with buckle ____________________________________________________________________________________________________________________________16
Active safety
Audi pre-sense ______________________________________________________________________________________________________________________________________________18
Pre sense basic _____________________________________________________________________________________________________________________________________________18
Pre sense rear _______________________________________________________________________________________________________________________________________________21
Pre sense front _____________________________________________________________________________________________________________________________________________ 24
Pre sense city _______________________________________________________________________________________________________________________________________________30
Settings and displays ______________________________________________________________________________________________________________________________________34
Infotainment
Overview of versions _______________________________________________________________________________________________________________________________________ 44
Second-generation MIB Standard ________________________________________________________________________________________________________________________46
MMI radio ___________________________________________________________________________________________________________________________________________________47
MMI Radio plus _____________________________________________________________________________________________________________________________________________ 48
MMI Navigation plus _______________________________________________________________________________________________________________________________________49
Audi connect (depending on market) ____________________________________________________________________________________________________________________ 50
Control panel _______________________________________________________________________________________________________________________________________________ 51
Display mechanism ________________________________________________________________________________________________________________________________________54
Audi phone box _____________________________________________________________________________________________________________________________________________57
Network system ____________________________________________________________________________________________________________________________________________ 58
Sound systems _____________________________________________________________________________________________________________________________________________60
Aerials overview ____________________________________________________________________________________________________________________________________________66
Appendix
Test your knowledge _______________________________________________________________________________________________________________________________________ 69
Self study programmes ____________________________________________________________________________________________________________________________________ 71
Reference
NoteThe self study programme teaches a basic understanding of the design and mode of operation of new models,
new automotive components or new technologies.
It is not a repair manual! Figures are given for explanatory purposes only and refer to the data valid at the
time of preparation of the SSP. This content is not updated.
For further information on maintenance and repair work, always refer to the current technical literature.
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