Audi A4: Maintenance and Care
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
- 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.
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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!
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SEE MORE:
Map update
Introduction
Applies to: vehicles with navigation system
You can update the map data in the MMI with a
map update. The functions depend on the country
and vehicle equipment.
Map update through online map update
Import a map update from the USB connection
to your MMI
Online map update
Applies to
Interior lighting
Front interior lighting
Fig. 45 Headliner: front interior lighting
Interior lighting buttons
- Interior lighting on/off
- Door contact switch on/off.
The interior lighting
is controlled automatically.
Touch-sensitive reading lights
To turn a reading light on or off, touch the surface (1)
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