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:
Cockpit
Fig. 1 Cockpit
Door handle
Central locking switch
Memory function buttons
Vent
Lever for:
Turn signals and high beams
High beam assistant
Audi active lane assist
Traffic jam assist
Multifunction steering wheel with:
Horn
Driver's airbag
Operating buttons
Shift paddl
Correct passenger
seating position
General information
As the driver, you are responsible for making sure
every passenger is sitting correctly in their seat
and maintaining this seating position while driving.
Make sure that:
Every passenger in the vehicle has adjusted his
or her seat correctly
The steering wheel is adjusted cor
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