134
JUMP-STARTINGWhen your battery is discharged, you can
use two jumper cables to start your vehicle
with power from the battery in a second
vehicle. Correspondingly you can help start
another vehicle. Only use jumper cables
with fully insulated handles on the termi
-
nal clamps.Preparing for jump-starting
Do not touch live wiring and cables on a running engine. There is a risk of
fatal injury if you do this. Carefully observe
the following instructions to avoid per
-
sonal injury and/or damage to either vehi
-
cle or both vehicles. Make sure that there is
no contact between the bodywork of the
two vehicles to avoid a short circuit haz
-
ard.<
1. Check whether the battery of the sup
-
port vehicle has 12
Volts and approxi
-
mately the same capacity measured in
Ah. These data are printed on the bat
-
tery
2. Switch off the engine of the support
vehicle3. Switch off any electrical systems and
components in both vehicles.Connect the jumper cables
Always adhere to this sequence when connecting the jumper cables; failure
to observe this procedure can lead to spark
-
ing and pose an injury hazard.<
The illustration shows the auxiliary jump-starting terminal on the MINI
COOPER S
and the MINI COOPER
S Convertible. In the
MINI COOPER
S and the MINI COOPER
S
Convertible, the auxiliary jump-starting
terminal, arrow
1, acts as the positive bat
-
tery terminal, refer to view of engine com
-
partment on page
107
. The cover is marked
with a
+.
1. Remove the cover of the battery or open
the cover of the auxiliary jump-starting
terminal:
>MINI COOPER and MINI COOPER Con
-
vertible:
Remove the battery cover.
To do so, press the two clips simulta
-
neously.
ProCarManuals.com
135
OVERVIEW REPAIRSOPERATION CONTROLS DATA INDEX
JUMP-STARTING
>MINI COOPER
S and MINI COOPER
S
Convertible:
Open the cover of the auxiliary jump-
starting terminal, arrow
1
2. Connect one terminal clamp of the
plus/+
jumper cable to the positive bat
-
tery terminal or to an auxiliary jump-
starting terminal of the support vehicle
3. Connect the other terminal clamp of the
plus/+ jumper cable to the positive bat
-
tery terminal or to an auxiliary jump-
starting terminal of the vehicle to be
started
Engine or body ground in your MINI or MINI
Convertible: arrow
2.
4. Connect one terminal clamp of the
minus/– jumper cable to the negative
battery terminal or to an engine or body
ground of the support vehicle5. Connect the second terminal clamp of
the minus/– jumper cable to the nega
-
tive terminal of the battery or to the
engine or body ground of the vehicle to
be started.
Performing the jump-start1. Start the engine of the support vehicle
and allow it to run at a fast idle speed for
several minutes2. Start the engine of the other vehicle in
the usual manner.
If the first start attempt is not success
-
ful, wait a few minutes before another
attempt in order to allow the discharged
battery to recharge
3. Allow the engines of both vehicles to run
for several minutes
On the MINI or MINI Convertible:
Before disconnecting the jumper
cables, switch on the lighting, the rear
window defroster and the highest
blower speed to prevent a voltage surge
from the regulator to the electrical sys
-
tems and components.<
4. Then disconnect the jumper cables in
the reverse order.If necessary have the battery checked and
completely charged at a MINI Dealer.
Do not use spray starter fluids to start the engine.<
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