Audi A4 Owners & Service Manuals

Audi A4: Checking and Filling

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 Fuel

Types of gasoline The correct gasoline grade is stated on the inside of the fuel filler door. The vehicle is equipped with a catalytic converter and must only be driven with unleaded gasoline. Audi r

 Refueling

Messages The following messages may appear depending on the vehicle equipment: Messages If the indicator light appears with a corresponding message, refuel the vehicle. Tank system: malfunction! P

 Emissions control system

General information WARNING The temperature of the exhaust system is high, both when driving and after stopping the engine. Never touch the exhaust tail pipes once they have become hot. This could

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 Garage door opener

Description Applies to: vehicles with garage door opener With the garage door opener, you can activate systems such as the garage doors, security systems or house lights from inside your vehicle. These functions are operated in the MMI. Multiple receivers can be programmed, which can control the

 Battery

Battery general information Because of the complex power supply, all work on batteries such as disconnecting, replacing, etc., should only be performed by an authorized Audi dealer or authorized Audi Service Facility. Multiple batteries with different technologies may be installed in your vehicle:

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