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Audi A3 New models / New engineering . 4 Body Programmed crumple zones 6 Safety Soft cushions and stable seats 10 Test Your Knowledge Subject body and safety .. 14 Engines From engine lubrication to functional diagram 16 Test Your Knowledge Subject engines . 50 Gearbox Tooth for tooth .. 52 Running Gear Well clamped and adjustment free . 54 Steering Locking teeth and crash tested .. 58 Braking system Power under pressure . 62 Test Your Knowledge Subject running gear, steering and brakes 63 Electrical system Switches and controls . 64 Answers What you managed to remember . 66 The Self Study Programme New is not a Workshop Manual Please refer to the relevant Service Literature Important/Note for all inspection, adjustment and repair instructions. 3 Safety Trying to fold a triggered airbag back into its Therefore, we prefer not to trigger an airbag if original shape would be quite an experience. It it is not needed. can be compared to trying to re pack gifts This requires a link between the airbag which won’t fit into their original box. triggering function and the seat. Seat occupied recognition Seat unoccupied When the ignition is switched on, the SOR always assumes that the seat is occupied. The change in state is recognised after 20s “Seat unoccupied“. SSP 182/95 Seat occupied When the ignition is switched on, the change in state is recognised as soon as the seat is occupied “Seat occupied“. SSP 182/96 Seat occupancy is recognised by a pressure sensor in the front passenger seat. Excerpt Pressure sensor SSP 182/76 SSP 182/90 12 The pressure sensor comprises two superimposed films. SSP 182/105 The electrically conductive polymer connects One of the films consists of an electrically the positive contact to the negative contact. conductive polymer. This diagram illu one negative electrod strates only SSP 182/107 an