High-voltage system
High-voltage system
General information
voltage components and high-voltage ca-
bles.
– Any gases escaping from the high-voltage
battery may be toxic or flammable.
– Do not expose yourself to any fluids escap-
ing from the high-voltage battery; avoid all
contact with these fluids.
Introduction
Applies to: vehicles with plug-in hybrid drive
All work on the high-voltage system must be car-
ried out solely by qualified high-voltage techni-
cians and authorised workshops according to Au-
di's regulations.
– The electrolyte fluid in the high-voltage bat-
tery is corrosive. If the electrolyte fluid
comes into contact with your skin, rinse the
affected area with clean water for at least
15 minutes and then wash with soap. Have
the affected area examined by a doctor.
– In the event of a technical emergency, in-
form the service team that the vehicle is
equipped with a high-voltage battery.
The high-voltage system includes a high-voltage
battery, power electronics, electric motor, a high-
voltage air conditioner compressor, a high-volt-
age heater, charging system, charging socket and
orange high-voltage cables.
The high-voltage battery is located under the lug-
gage compartment floor and does not require
any maintenance to be performed by you.
CAUTION
The high-voltage system can be damaged if
the underside of your vehicle makes heavy
contact with the ground. Drive to a qualified
workshop without delay and have the vehicle
checked.
WARNING
The voltage of the high-voltage system is le-
thal! Touching damaged high-voltage compo-
nents could cause you to be fatally electrocu-
ted. A warning sticker is attached to the dif-
ferent parts of the high-voltage system. This
is intended to warn you of the high voltage.
– Even when the ignition is switched off, po-
tentially lethal voltages still exist in the
high-voltage system.
What to do in hazardous situations
General rules
Hazardous situations may occur if a driver mes-
sage is shown or if you can smell smoke or gas. In
the event of a hazardous situation, you should
behave as follows:
– Do not touch any contacts on the vehicle
charging socket, e.g. when cleaning the
charging unit. If you wish to clean the charg-
ing unit, only use a dry cloth and no other
tools such as a screwdriver or brush.
– Do not inhale the fumes.
– Ensure that you and all other occupants have
left the danger area and remain in an area
which is safe from all traffic (e.g. behind a road-
side crash barrier).
– Never perform work on the orange-coloured
high-voltage cables or the other high-volt-
age components yourself. Work on the high-
voltage system may only be performed by
authorised workshops that have been ap-
proved for this type of work.
– Inform the emergency services.
– Do not attempt to extinguish any fires yourself.
– Do not try to move the vehicle.
Driver messages
– The orange-coloured high-voltage cables
must never be damaged, modified, removed
or disconnected from the high-voltage sys-
tem.
HV battery: risk of fire! Safely stop vehicle
immediately and evacuate. Emergency services!
– Never use cutting, forming or sharp-edged
tools or heat sources in the vicinity of high-
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