Audi A4: Electrical System

 Leak Detection on Refrigerant Circuit Using Leak Detection Kit -VAS6201A-

Vehicles with a High Voltage System (Hybrid Vehicles) Read and follow all of the supplemental warnings for all work performed on vehicles with the high voltage system. Refer to → Chapter "Warnings when Working on Vehicles with High Voltage System" and → Electrical Equipment; 

 Introduction

Applies to: vehicles with telephone You can operate various telephone functions easily through the MMI in your vehicle. Depending on the country and the vehicle equipment, the following options may be available: Connecting a cell phone with Bluetooth Using two telephones Using the Audi phone bo