Audi A4: Checking and Filling
Audi A4 (B9) 2016-2023 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
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Front seats
General information
Make sure that:
You can press the pedals down completely
while your legs are slightly bent
The distance between your upper body and the
steering wheel or instrument panel is at least
10 inches (25 cm)
The distance between your knees and the instrument
panel is at least 4
Head restraints
General information
Applies to: vehicles with adjustable head restraints
Fig. 61 Correctly-adjusted head restraint
Make sure that:
The upper edge of the head restraint is as even
as possible with the top of your head
The head restraint is as close as possible to the
back of the head
The head
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