Buy OEM Audi Part # 4H0909131 (4H0-909-131). Ignition Switch. A8, S8. Ignition Switch - Repair or Replace A failed ignition switch can cause interesting issues ranging from

Ignition Switch. READ Coil.
A Switch, typically located in the steering column or vehicle dashboard behind the Ignition lock cylinder, used to power on and start the vehicle. Used with a tradition vehicle key. From 07/05/2010.

Ignition Switch

Fits A6, A7, A7 Sportback, A8, S6, S7, S7 Sportback, S8

A8, S8.
Ignition Switch - Repair or Replace
A failed ignition switch can cause interesting issues ranging from intermittently failing electronics to a no crank condition. To have your Audi diagnosed, bring it in to our Audi service department for expert diagnosis.