Ignition is on
This message appears and the buzzer sounds if you open the driver's door while the ignition is switched on.
No key identified
This message appears when you press the START ENGINE STOP* button if there is no remote control key inside the Audi A4 or if the system cannot detect or identify the key. This can happen, for example, if the radio signal from the key is obstructed by a metal briefcase or similar. Electronic equipment, such as mobile phones, can also interfere with the radio signal from the key.
Press brake pedal to start engine
This message appears on Audi A4s with an automatic gearbox if you try to start the engine without first pressing the brake pedal.
Press clutch pedal to start engine
This message appears on Audi A4s with a manual gearbox if you try to start the engine without first pressing the clutch pedal.
Engage N or P to start engine
This message will appear if you try to start the engine when the selector lever of the automatic gearbox is not in P or N. The engine can only be started if the selector lever is in one of these positions.
Key not in Audi A4?
If the indicator lamp lights up and the message appears on Audi A4s with convenience key*, the remote control key was removed from the Audi A4 while the engine was running. If the remote control key is not in the Audi A4 you will not be able to switch on the ignition or restart the engine after it has been switched off. You will also not be able to lock the Audi A4 from the outside.
Shift to P, otherwise Audi A4 can roll away. Doors do not lock if lever is not in P.
For safety reasons, this message will appear and a warning buzzer will sound if the selector lever of the automatic gearbox is not in position P when you switch off the ignition. Put the selector lever in position P; otherwise the Audi A4 can roll away. If the lever is not in position P you will not be able to lock the Audi A4 using the locking sensor* on the door handle or the remote control key.
Switch off ignition before leaving car
This driver message appears if you open the driver's door while the ignition is switched on. Always switch off the ignition before you leave the Audi A4. Also refer to Link.
Switch off ignition before leaving car. Battery is being discharged
This driver message appears if you open the driver's door while the ignition is switched on. Always switch off the ignition before you leave the Audi A4. Also refer to Link.
Shift to P and switch off ignition, otherwise Audi A4 can roll away
This message will appear on Audi A4s with automatic gearbox if you open the driver's door when the ignition is on and the selector lever is not in position P. Move the selector lever to position P and switch off the ignition before you leave the Audi A4. Otherwise the Audi A4 can roll away. Also refer to Link.
Convenience key defective! Use ignition lock
This message appears if the engine has to be started or stopped using the ignition key instead of the START ENGINE STOP* button.