Audi A4 Owners & Service Manuals

Audi A4: Laws and Regulations

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 General Information

  Note The laws and regulations listed below are applicable in Germany. Different or additional laws and regulations may apply in other countries. The effects of climate change can be seen wor

 Laws and Regulations

Refrigerant Circuit, Converting R12 to R134a and Servicing   Note For environmental reasons and on account of the corresponding legislation, refrigerant R12 can no longer be manufactured or

 Refrigerant Circuit

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 Start/Stop system

Description Applies to: vehicles with Start/Stop system The Start/Stop system can help increase fuel economy and reduce CO2 emissions. In Start/Stop mode, the engine shuts off automatically when stopped, for example at a traffic light. If certain conditions are met, the engine may stop before the

 Playing media

Media sources The following sources can be selected depending on the vehicle equipment: Alexa USB device Connect external device: you can connect external devices via Bluetooth and use the Bluetooth audio player, or you can connect an external device directly to the Audi music interface Str

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