Audi A4: Maintenance and Care
Audi A4 (B9) 2016-2025 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
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
SEE MORE:
Sill Panel, Removing and Installing
Front Sill Panel Strip, Removing and Installing
Special tools and workshop equipment required
Trim Removal Wedge -3409-
Omega Clip Tool -T40280-
Removing
- Move the front seat all the way back.
- Remove the instrument panel side cover. Refer to
→ Chapter "Instrument Panel Side C
Adjusting adaptive cruise control
Applies to: vehicles with Audi adaptive cruise control
You can adjust the system individually. The settings
depend on the vehicle equipment.
Applies to: MMI: Select on the home screen:
VEHICLE > Driver assistance > Audi adaptive
cruise control.
Possible settings:
Applies to: vehicles with
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