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:
Transmission Fluid
Transmission Fluid Level, Checking
Special tools and workshop equipment required
Torx Socket - T60 -T40087-
Protective Eyewear
Procedure
Note
General repair instructions. Refer to
→ Chapter "Repair Information".
Guidelines for clean working conditions. Refer to
→ Chapte
Emergency call
Overview
Applies to: vehicles with emergency call function
An emergency call is a combination of data transmission
and a phone call. The data transmission
from your vehicle forwards important information,
such as the vehicle and position data, to the
emergency call center.
Depending on the country
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