Porsche 911 Manual page 56

Battery
> Please refer to chapter "Luggage compart-
A
ment" on page 146.
B
3. Connect the red positive cable of the charger to
C
the positive terminal for jump-lead starting +.
4. Connect the black negative cable of the charger
D
onto the – ground point.
E
5. Switch on the charger.
6. After charging the battery, first switch off the
F
charger and then disconnect it.
e For recommendations on a suitable charger:
G
Contact your Porsche partner.
H
I
Replacing the lead battery
The details on the battery case cannot be used to
J
identify a comparable battery that meets all the
K
specific requirements of Porsche.
e Always have the battery replaced by a qualified
L
specialist workshop.
M e Only replace the lead battery with an AGM (Ab-
sorbent Glass Mat) battery that meets the spe-
N
cific requirements of the vehicle. Porsche
O
recommends that you use a genuine Porsche
battery.
P
e A new battery must be registered in the control
Q
unit after installation. Visit a qualified specialist
workshop. Porsche recommends a Porsche part-
R
ner as they have trained workshop personnel and
S
the necessary parts and tools.
e Observe the disposal instructions for batteries.
T
U
Power interruption
Following a temporary power interruption, some
V
equipment has to be reinitialised.
W
1. Store the end position for the power windows.
> Please refer to chapter "Windows" on
X
page 273.
Y
2. Teach in wheels and tyres in Tyre Pressure Mon-
itoring (TPM).
Z
54
> Please refer to chapter "Tyres and Wheels"
on page 238.
3. Store end positions on vehicles with a slide/tilt
roof.
> Please refer to chapter "Slide/Tilt Roof" on
page 206.
Lithium battery
Electric shock, short cir-
WARNING
cuit, fire or explosion
Touching conductive parts of the vehicle can give
you an electric shock. You can cause a short circuit
when working on the vehicle's electrical system.
Short circuits can cause fires. Many automotive flu-
ids are highly flammable, e.g. fuel, engine or trans-
mission oil. Fuel vapours can combust.
e The battery should only be removed and installed
at a qualified specialist workshop. Porsche rec-
ommends a Porsche partner as they have trained
workshop personnel and the necessary parts and
tools.
Escaping electrolyte fluid
WARNING
and toxic gases
Risk of electrolyte fluid and toxic gases escaping in
exceptional cases if the battery is damaged or
handled incorrectly.
e Avoid any inhalation of the vapours and any skin
contact with the electrolyte fluid.
e Keep people away and stay on the side facing
into the wind.
e Only charge lithium batteries in well-ventilated
rooms.
NOTICE
Risk of short circuit, fire and damage to the genera-
tor and electronic control units and components.
e The battery should only be removed and installed
at a qualified specialist workshop. Porsche rec-
ommends a Porsche partner as they have trained
workshop personnel and the necessary parts and
tools.
Fig. 23: Lithium battery
The 12-volt lithium battery is located under the
plastic cover in the luggage compartment. For in-
formation on removing the plastic cover:
> Please refer to chapter "Luggage compartment"
on page 146.
The 12-volt lithium battery is automatically discon-
nected from the vehicle electrical system if the bat-
tery charge condition is low. The electrical system is
deactivated temporarily. When the battery is
charged (for at least 10 minutes) or when jump-lead