Audi A4: Maintenance and Care
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
- 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
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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
SEE MORE:
Operating in the cockpit
Fig. 92 3-zone deluxe automatic climate control system: controls
Press the knobs, buttons or rocker switches to
turn the functions on or off. When the function is
switched on, the LED in the respective button or
knob turns on. Some rocker switches can be assigned
with multiple functions. The variou
Steering wheel
General information
Make sure that:
The distance between your upper body and the
steering wheel is at least 10 inches (25 cm)
Your arms are bent slightly at the elbows
You have a sufficient view of the area around
the vehicle and you have a clear view of the instrument
cluster and head-up dis
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