Audi A4: Power sources
When the ignition is switched on, you may be able to use multiple power sources for external devices, depending on the vehicle equipment.
12 volt sockets
You can connect electrical accessories to the 12 volt sockets. The power usage from the sockets must not exceed a total of 120 watts. Do not connect multiple devices to the sockets in the vehicle at the same time.
The 12 volt sockets are labeled with the 12V symbol. They are located in the front center console, in the rear* and on the side trim panel in the luggage compartment".
USB ports
Applies to: vehicles with USB ports
You can charge mobile devices using the USB
ports. Depending on the vehicle, the USB ports
may be labeled with one of the following symbols:
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,
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, or CHARGE ONLY.
WARNING
- To reduce the risk of fatal injury, store all connected devices securely when driving so that they do not move around inside the vehicle when braking or in the event of an accident.
- Incorrect usage can lead to serious injuries or burns. To reduce the risk of injuries, never leave children unattended in the vehicle with the vehicle key.
Note
- Read the operating manuals for the connected devices.
- To reduce the risk of damage to the vehicle electrical system, never attempt to charge the vehicle battery by connecting accessories that provide power to the power sources.
- Do not connect any device whose network class (voltage) does not match the network class designed for the socket.
- Disconnect the connectors from the power sources carefully to reduce the risk of damaging them.
Tips
Do not connect any other devices to the sockets when using the compressor* provided by the factory. The power consumption in the sockets may be temporarily exceeded when using the compressor*.
READ NEXT:
Cup holders
Applies to: vehicles with cup holders
Fig. 75 Rear center armrest*: cup holders
Depending on vehicle equipment, your vehicle
may have cup holders in the front center console
and in the rear center ar
Luggage compartment
General information
All pieces of luggage or objects must be securely
fastened in the luggage compartment. Note the
following to maintain good vehicle handling:
Distribute the load evenly in the lug
Power luggage compartment cover
Applies to: vehicles with power luggage compartment cover
Fig. 76 Luggage compartment: retracted cover
Fig. 77 Luggage compartment: removing the luggage
compartment cover
Observe the safety precauti
SEE MORE:
Fuse assignment - footwell
Fig. 183 Driver's footwell (left-hand drive vehicle): fuse
panel with plastic clip
Fig. 184 Front passenger's footwell (right-hand drive vehicle):
fuse panel with plastic clip
Fuse panel (A) (brown)
Catalytic converter heating
Engine components
Exhaust doors, fuel injectors, air intake,
motor
Cooling system
Coolant
The engine cooling system is filled with a mixture
of purified water and coolant additive at the factory.
This coolant must not be not changed.
The coolant level is monitored using the
indicator
light. However, you should occasionally
check the coolant level.
Messages
The following messag
