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
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
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:
Special Tools
Special tools and workshop equipment required
Used Oil Collection and Extraction Unit -SMN372500-
Locking Pin -T10492-
Retaining Strap -T40155-
Oil Sump Assembly Pin -T40199-
Gearbox Support -T40206- and Gearbox Support - Drilling
Template -T40206/3-
Gearbox Assembly Tool -T40
Interior Door Mechanism, Removing and Installing
Removing
- Remove the door trim panel. Refer to
→ Chapter "Front Door Trim Panel, Removing and Installing".
- Place the door trim panel on a soft surface.
- Equipped on some models: Remove the door ambient lighting lamps
-3- on the back of the door trim
panel by releasing the
© 2019-2026 Copyright www.audia4b9.com
