SMART FORTWO 2018 Owner's Manual page 180

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Jump-starting and charging the battery
178
minutes before attempting to start. This
charges the empty battery a little.
Make sure that the two vehicles do not
R
touch.
Make sure that the jump leads are not
R
damaged.
Do not allow non-insulated parts of the
R
terminal clamps to come into contact
with other metal parts while the jump
leads are connected to the battery.
The jump leads must not come into con-
R
tact with parts which can move when the
engine is running, e.g. the wiper rods or
the fan.
X
Secure the vehicle using the parking
brake.
X
Switch off all electrical consumers, e.g.
rear window heating or lighting.
X
Turn the key to position g in the igni-
tion lock.
X
Remove the key from ignition lock.
X
Open the service cover (
Charged donor battery or an equivalent
A
jump-starting device
X
Remove the protective cap from positive
terminal : of your battery.
X
First connect positive terminal : of your
battery to positive terminal ; of donor
battery A using the jump lead.
X
Start the engine of the donor vehicle and
run it at idling speed.
X
First connect negative terminal = of
donor battery A and then negative ter-
minal ? of your battery using the jump
lead.
X
Start the engine.
X
Before disconnecting the jump leads, let
both engines run for several minutes.
Y
page 150)
X
To disconnect the jump leads, follow the
sequence in reverse.
X
Attach the protective cap to positive ter-
minal :.
X
Have the battery checked at a qualified
specialist workshop.
The battery is not accessible in all vehicles.
If the other vehicle's battery is not accessi-
ble, jump-start the vehicle using a donor
battery or a jump-starting device.
Charging the battery
In order to prevent damage, observe the
following requirements:
Only use battery chargers with a maxi-
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mum charging voltage of 14.8 V.
Only charge the battery using a battery
R
charger approved by smart.
When using another battery charger,
remove the battery before charging.
Observe the operating instructions for
R
the battery charger.
X
Open the service cover. (
X
Remove the protective cap from the posi-
tive terminal on the battery.
X
Connect the positive terminal on the bat-
tery to the positive terminal on the bat-
tery charger.
X
Connect the negative terminal on the
battery charger to the negative terminal
on the battery.
The vehicle battery should always be suffi-
ciently charged to achieve the maximum
possible service life. The battery may dis-
charge over time if the vehicle is not used.
To charge the battery, a battery charger
recommended by smart can be connected.
If the vehicle is unused for an extended
period, the battery should be checked fre-
quently or disconnected at a qualified spe-
cialist workshop.
A battery charger adapted to and approved
by smart allows the charging of the battery
in its installed position. Further informa-
tion is available from any smart Centre.
Y
page 150)

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