Audi Q5   Controls   Instruments and warning/indicator lamps  Warning and indicator lamps
Do not drive vehicle. Steering defective
There is a malfunction in the electronic steering lock. Do not drive on. The ignition lock will be disabled after you switch off the ignition. You should obtain professional assistance.
WARNING!
The vehicle must not be towed if there is a fault in the electronic steering lock, because the vehicle cannot be steered.