Emergency Starting - Porsche 718 Cayman GT4 Owner's Manual

Emergency Starting

Emergency Starting
A
If the battery is flat, the battery of another vehicle can
B
be used for starting and as an external power supply
C
with the help of jumper cables. Both batteries must
be 12 V batteries. The capacity (Ah) of the donor
D
battery must not be substantially less than that of the
E flat battery. The flat battery must be connected
correctly to the vehicle's electrical system.
f Please see chapter „Battery" on page 52.
F
G
Repeated emergency starting under normal
operating conditions may indicate that the battery is
H
damaged.
I
Unsuitable Jumper
WARNING
J
Cables and following
Incorrect Procedures
K
Starting the vehicle using unsuitable jumper cables
L
or following incorrect procedures can cause short
circuits. The short circuit can cause a fire.
M
e Use only standard jumper cables with sufficient
N
cross section and completely insulated clamps.
Follow the instructions provided by the jumper
O
cable manufacturer.
e The vehicles must not touch, otherwise current
P
may flow as soon as the positive terminals are
Q
connected.
e Ensure that conductive jewelry (e.g. rings, chains,
R
watch straps) does not come into contact with
S
live parts of the vehicle.
e Never connect jumper cables directly to the
T
battery. Always connect jumper cables to the
U
emergency starting terminals.
V
W
X
Y
Z
92
Charging a Frozen
WARNING
Battery
There is a risk of explosion and chemical burns when
charging a frozen battery.
e It is important to thaw out a frozen battery before
attaching jumper cables.
Emergency Starting a
WARNING
Frozen or Damaged
Battery
When emergency starting a frozen or damaged
battery, there is a danger of explosion and chemical
burns.
e Never emergency start a frozen or damaged
battery.
Corrosive Electrolyte
CAUTION
Lead batteries contain highly caustic battery acid
that can cause damage to the skin and clothing in the
event of contact.
e Protective gloves and goggles must be worn.
e If you get electrolyte, which is an acid, in your
eyes or on your skin, immediately rinse with cold
water for several minutes.
e To prevent acid from leaking out, do not tilt the
battery.
Performing emergency starting
Fig. 67: Battery terminals
+
A Positive terminal
–
B Ground point
1. Open front luggage compartment lid.
f Please see chapter „Emergency unlocking of
the luggage compartment lid" on page 131.
2. Remove cover in front luggage compartment.
f To remove the cover: Please see chapter
„Removing and stowing tire sealing
compound (Tire Mobility System - TMS) or
tool box" on page 125.
3. Connect the red positive cable to the positive
terminal A of the flat battery.
4. Connect the red positive cable to the positive
terminal of the donor battery.
5. Connect the black negative cable to the negative
terminal of the donor battery.