Audi Q4 e-tron 2024 - Jump Starting

Emergency assistance
The wheel bolts must be clean and loosen and
tighten easily. Check the contact surfaces for the
wheel and hub. Contaminants on these surfaces
must be removed before installing the wheel.
Read and follow the important information
and notes under > page 248.
When removing or installing the wheel, the
rim could hit the brake rotor and damage the
rotor. Work carefully and have a second per-
son help you.
Unidirectional tires
A unidirectional tire profile is identified by arrows
on the tire sidewall that point in the running di-
rection. You must always maintain the specified
running direction. This is necessary to ensure the
tire's optimal performance in regard to adhesion,
running noise, and friction, and to reduce the risk
of hydroplaning.
To benefit fully from the advantages of the uni-
directional tire design, you should replace faulty
tires as soon as possible and restore the correct
running direction on all of the tires.
» Reinstall any covers on the wheel bolts that
were removed.
» Store the replaced tire securely in the luggage
compartment © page 80.
» Check the tire pressure on the installed wheel
as soon as possible.
» Correct the tire pressure and store it in the MMI
= page 260.
» The wheel bolts must be tightened to 90 ft lbs
(120 Nm). Have them checked as soon as possi-
ble with a torque wrench. Drive carefully until
then.
» Have the faulty wheel replaced as soon as pos-
sible.
272
Jump starting
You should only perform the following steps if
you have the necessary technical knowledge and
tools.
If drive ready mode cannot be established be-
cause the 12 volt vehicle battery is drained, you
can use another vehicle to supply energy to the
12 volt vehicle battery. Jump start cables are
needed to do this.
Both vehicle batteries must have 12 V nominal
voltage. The voltage capacity (Ah) of the vehicle
battery that is giving power must not be less
than the capacity of the drained vehicle battery.
Jump start cable
Only use a jump start cable with a large enough
diameter. Note the manufacturer's specifica-
tions.
Only use a jump start cable with insulated termi-
nal clamps.
Positive cable - usually red.
Negative cable - usually black.
—A drained battery can freeze at tempera-
tures around 32 °F (0 °C). If the vehicle bat-
tery is frozen, it must be thawed before con-
necting the jump start cables. Ifit is not, the
risk of an explosion and chemical burns in-
creases. After supplying energy from an ex-
ternal source, drive to an authorized Audi
dealer or authorized Audi Service Facility im-
mediately to have the vehicle battery
checked.
~Read the warnings when working in the
front compartment > page 229.
—Handling the jump start cables incorrectly
may cause the vehicle battery to explode
and lead to serious injuries.
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