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:
Windshield Wiper/Washer System
Washer Fluid Hoses
Washer Fluid Line Hose Connections, Disconnecting and Connecting
Various hose couplings are used to connect the hoses to the
washer fluid pumps and spray jets or as coupling points.
Unsecured Hose Coupling
- To disconnect the connection, pull both parts of the
coupling apar
Rear Bumper Cover, Removing and Installing
Special tools and workshop equipment
required
Body Socket -T40078-
Depending on the equipment version, the following additional work must be
performed.
Removing
- Remove the bolts -1-.
- Push the wheel housing liner -3- to
the side.
- Remove the bolt -2-.
- Remove the nut
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