Audi A4 Owners & Service Manuals

Audi A4: Heating, Ventilation & Air Conditioning

Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning

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 Warnings when Working on Vehicles with High Voltage System

Vehicles with a High-Voltage System (Hybrid Vehicles) Working on Vehicles with High-Voltage System (Hybrid Vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-volta

 A/C System, General Information

 Introduction

The purpose of this repair manual is to provide service advisors and technicians with the basic knowledge needed to ensure professional and competent procedures.   Note Only the careful study

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 Mobile Online Services

Overview - Mobile Online Services The mobile online service (1W3) consist of the eCall, connected Gateway, and the Data Bus on Board Diagnostic Interface -J533-. The Data Bus on Board Diagnostic Interface -J533- is installed under the rear bench seat for crash safety. The Data Bus on Board Diagn

 Door Handle, Removing and Installing

Removing - Remove the door handle trim. Refer to → Chapter "Door Handle Trim, Removing and Installing". - Equipped on some models: Remove the exterior door handle illumination bulb. Refer to → Electrical Equipment; Rep. Gr.94; Exterior Door Handle Lamps; Exterio

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