Audi A4: Checking and Filling
Audi A4 (B9) 2016-2026 Owner's Manual / Maintenance and Care / Checking and Filling
- Fuel
- Refueling
- Emissions control system
- Motor compartment
- Engine oil
- Cooling system
- Brake fluid
- Battery
- Safety precautions
- Charging the 12 volt vehicle battery
- Windshield washer system
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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
SEE MORE:
Manually releasing the parking lock
Fig. 98 Front cup holder: removing the cover
Fig. 99 Front cup holder: parking lock emergency release
The emergency release is located in the front cup
holder under a cover.
You will need the screwdriver and the socket
wrench from the vehicle tool kit in order to release. Use the flat side of the
General information
Applies to: vehicles with Audi connect
Depending on the country and the vehicle equipment,
the following functions may be available:
Audi connect Infotainment
Audi connect vehicle control
WARNING
To reduce the risk of an accident, only use
Audi connect services and the Wi-Fi hotspot
only if
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