Audi A4 Owners & Service Manuals

Audi A4: About this Owner's Manual

Audi A4 (B9) 2016-2024 Owner's Manual / About this Owner's Manual

In this manual, Audi provides important information, tips, suggestions, and warnings for using your vehicle. "Audi" refers to AUDI AG, the respective importer in a country, as well as joint ventures.

It has always been Audi's policy to continuously improve its products. Audi reserves the right to make changes in design and specifications, and to make additions or improvements in its products without incurring any obligation to install them on products previously manufactured. This owner's manual is based on the current data available when it was printed. Text, illustrations, and specifications in this owner's manual are based on the most current information available at the time of printing, and shall not constitute a basis for liability claims.

KEEP THIS GUIDE

Keep this manual and any other applicable documents in your vehicle at all times. This is especially important if you loan your vehicle to others or sell it.

This owner's manual describes the equipment range for all model versions of this vehicle at the time of printing. Individual equipment options described may only be available at a later date or may only be offered in certain countries.

Some sections in this manual do not apply to all vehicles. When this is the case, the beginning of the section indicates the validity, for example "Applies to: vehicles with speed warning system".

Optional or vehicle-specific equipment is also identified with an asterisk ugn "*".

The illustrations in this manual are a guide.

Some of the details in your vehicle may differ from the illustration.

All directions, such as "Left", "right", "front" and "rear", are based on the vehicle's direction of travel.

*   Optional equipment or vehicle-specific equipment

► The section continues on the next page.

WARNINGCross reference to a "WARNING" within a section. If a page number is indicated, the WARNING is located outside of the section.

WARNING

Text with this symbol contains information about safety and how to reduce the risk of serious personal injury or death.

Note

Text with this symbol contains information about reducing the risk of damage to your vehicle.

For the sake of the environment

Text with this symbol contains information on protecting the environment.

Tips

Text with this symbol contains additional useful information.

    READ NEXT:

     Summary

     Cockpit

    Fig. 1 Cockpit Door handle Central locking switch Memory function buttons Vent Lever for: Turn signals and high beams High beam assistant Audi active lane assist Traffic jam assist

     Indicator lights overview

    Description The indicator lights in the instrument cluster blink or turn on. They indicate functions or malfunctions. Some warning and indicator lights turn on when you switch the ignition on and mus

    SEE MORE:

     Center Console Rear Trim, Removing and Installing

    Special tools and workshop equipment required Wedge Set -T10383- Wedge Set - Wedge 1 -T10383/1- Removing - Move the front seats all the way forward. - Using either the -T10383/1- or by hand, unclip the trim -1- from the center console in the direction of -arrows-. - Remove the tr

     Flushing Circuit Block Diagrams

      Note The arrows in the following illustrations show the direction of refrigerant flow during flushing (refrigerant flows in opposite direction of flow when Air Conditioning (A/C) system is in operation while flushing, therefore the high pressure side of the A/C service system is connec

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