Audi A4: Maintenance and Care
Audi A4 (B9) 2016-2025 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
- Wheels
- Wheels and Tires
- Glossary of tire and loading terminology
- New tires or wheels
- Tires and vehicle load limits
- Tire pressure monitoring system
- Care and cleaning
READ NEXT:
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
SEE MORE:
Trailer
Driving with a trailer
General information
Your vehicle is primarily intended for transporting
people and luggage. However, if you drive
with a trailer, follow the technical requirements,
the operation and driving tips, and the legal regulations.
Driving with a trailer affects the vehicle's energy
ATF Circuit
Overview - ATF Circuit
Caution
Risk of damaging the transmission.
Remove all the plugs on the ATF lines and on the
transmission that were installed during removal.
The ATF cooling function will not work and the transmission
will be damaged if the plugs are forgotten.
WARNING
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