Audi A3  Service and care  Checking and topping up fluids  Filling the tank
The tank flap can be released manually if the central locking system should fail to operate.
The manual release mechanism is located in the side trim on the right of the luggage compartment.
Remove the cover in the side trim.
Release the ring from its holder and carefully pull the ring -arrow- Caution!. The tank flap is then released.
Press the left side of the tank flap to open it Fig. 2.
Plug-in hybrid drive*: Please note the information on Link.
Pull the ring only until you feel resistance; otherwise you may damage the manual release mechanism (you cannot hear it releasing the tank flap).

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