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
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:
Underbody Trim Panels, Removing and Installing
Underbody Trim Panel, Removing and Installing, Front
Removing
- Remove the nuts -arrows-.
- Remove the front underbody trim panel -2-
from the center underbody trim panel -1-.
Installing
Install in reverse order of removal.
Tightening Specifications
Refer to
→ Chapter "Overview
Rear Seat Entertainment System (RSE)
Overview - Rear Seat Entertainment System
The Rear Seat Entertainment System (RSE, 9WF) consists of:
Left Rear Information Display Control Head Control Module
-J648-/Right Rear Information Display Control Head Control
Module -J649- on the left/right front seat backrest frame
Information Electro
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