Audi S90

Disconnect battery ground cable and proceed as follows:

1. Remove instrument panel trim and steering column shroud. Disconnect wire from indicator light switch (flat plug).
2. Disconnect four flat plug connectors color coded red, red-black, black, and black-yellow. Turn ignition key to "OFF" position, unscrew and remove ignition switch.
3. To install, reverse removal procedure and note the following: Ignition key must be in "OFF" position and inner cylinder of switch must be turned so stamped letter "B" is aligned with stamped arrow on switch housing.