Audi A4 Owners & Service Manuals

Audi A4: Opening and closing

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 Central locking

General information WARNING If you leave the vehicle, switch the ignition off and take the key with you. This applies particularly when children remain in the vehicle. Otherwise, children could s

 Setting the central locking system

You can adjust the central locking system to your preferences. The settings depend on the vehicle equipment. Applies to MMI: Select on the home screen: VEHICLE > Settings & Service > Cent

 Keys

Key set Fig. 26 Your vehicle key set Vehicle key You can unlock and lock your vehicle with the vehicle key. Mechanical key and release buttons for the mechanical key A mechanical key is integr

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 Multimedia connections

USB adapter Fig. 151 Audi Genuine Accessories: USB adapter You can connect your mobile devices through the Audi music interface to the MMI using the USB adapter and charge the battery at the same time. You can purchase the USB adapter cable from an authorized Audi dealer or at specialty stores:

 Radiator/Radiator Fan

Overview - Radiator/Radiator Fan 1 - Radiator Removing and installing. Refer to → Chapter "Radiator, Removing and Installing". After replacing, replace entire amount of coolant 2 - Drain Plug 1.5 to 3 Nm 3 - O-ring Replace after removing 4 - 

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