Alternator fault: Battery is not being chargedIf the warning lamp lights up and the message appears, there is an alternator fault or a fault in the Audi A4's electrical system.
Drive to a qualified workshop without delay. However, you should avoid using electrical equipment that is not absolutely necessary because this will drain the battery. If the battery charge is insufficient, obtain professional assistance.
Low battery charge: Battery will be charged while drivingStarting reliability may be impaired.
If this message disappears after a while, the battery will have been sufficiently charged while driving.
If the message does not disappear again, drive to a qualified workshop without delay and have the fault rectified.