2012 SMART FORTWO COUPE key battery

key is in the starter switch. Otherwise
the alternator and other electronic
components could be severely damaged.
Have the battery checked regularly at an
authorized smart center.
Refer to Maintenance Booklet for
maintenance intervals or contact an
authorized smart center for further
information.
! Never invert the terminal connections! Disconnecting, removing, charging,
reinstalling and reconnecting the
battery
Disconnecting the battery i
If the battery is disconnected or
discharged
R the key will not turn in the starter
switch
R the automatic transmission will
remain in park position P
For more information see “Jump
starting” ( Y page 199).
X Engage the parking brake.
X Move the gear selector lever to park
position P.
X Turn off all electrical accessories.
X Turn off the engine.
X Open the passenger door.
X Move the passenger seat to the rear as far
as possible.
X Unscrew the carpet holder in the
passenger footwell (Y page 158).
X Lift the carpet. X
Unscrew fastening screw ;
counterclockwise.
X Pull footrest : sideways out of the
vehicle.
X Read and observe safety instructions and
precautions (Y page 196). !
Always disconnect the battery in the
order described below. Otherwise the
vehicle’s electronics can be damaged.
X Disconnect the battery negative lead
from negative terminal =.
Make sure the negative lead does not
come
into contact with the positive lead.
X Remove cover ? from the positive
terminal.
X Disconnect the battery positive lead.
Removing the battery X
Unscrew battery mount A.
X Remove the battery support and bracket.
X Pull out the ventilation hose from the
battery (depending on battery198
Battery
>> Practical hints.

arrangement in your vehicle model, the
ventilation
hose is located either on the
left or right side of the battery).
X Remove the battery.
Charging the battery G
WARNING
Avoid creating sparks when charging the
battery as escaping gases are flammable.
Keep

open flames away from the battery and
do not smoke.
Do not touch the battery terminal with metal
objects and do not remove the battery
charger’s terminal clamps until the battery
charger has been switched off and no
further gas is being discharged by the
batteries.
Only charge the battery in a well ventilated
area.
There is a risk of acid burns during the
charging procedure due to the gases which
escape from the battery. Do not lean over
the battery when it is being charged. G
WARNING
Never charge a battery while still installed
in the vehicle. Gases may escape during
charging and cause explosions that may
result in paint damage, corrosion or
personal injury.
X Charge battery in accordance with the
instructions of the battery charger
manufacturer.
! Only use chargers of a correct and
suitable voltage.
! Never attempt to recharge a frozen
battery. Have the battery checked at a
smart center. The battery housing could
be damaged. Reinstalling the battery X
Reinstall the charged battery. Follow the
previously described steps in reverse
order.
! The battery, its filler caps and the
ventilation

hose must always be securely
installed when the vehicle is in
operation.
Reconnecting the battery !
Always
connect the battery in the order
described below. Otherwise the
vehicle’s electronics can be damaged.
X Turn off all electrical accessories.
X Remove the key from the starter switch.
! Never invert the terminal connections!
X Connect the battery positive lead and
fasten cover ? (Y page 198).
X Connect battery negative lead =
(Y page 198).
i After battery power (e.g. due to
reconnection) was interrupted, you will
have to set the clock (Y page 88).
i Have the battery’s charge status and
acid

level checked at the start of the cold
season at a smart center. Jump starting
Notes
G
WARNING
Failure to follow these directions will
cause
damage to the electronic components,
and can lead to a battery explosion and
severe injury or death.
Never lean over batteries while connecting
or jump starting, you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with
eyes, skin or clothing. In case it does, Jump starting
199
>> Practical hints.
Z

Rear covers
X
Remove respective cover : or ; using
a suitable object to reveal the threaded
hole for the towing eye bolt.
X Screw towing eye bolt in clockwise to its
stop and tighten with a suitable object. G
WARNING
For safety reasons, recovery or lashing
down of the vehicle by means of the towing
eye is not allowed. Failure to observe this
could
result in the towing eye being ripped
out of its mounting and people being
injured.
Towing the vehicle X
Engage the parking brake.
X Connect the strap or tow bar to the towing
eye.
X Switch on the ignition.
X Depress the brake pedal and keep it
pressed.
X Move the gear selector lever to neutral
position N.
X Release the brake pedal.
i With the gear selector lever in neutral
position N,

the key cannot be turned fully
to starter switch position 0. Therefore
turn the key in the starter switch as far
left as it will go when switching off the
ignition.
X Switch off the ignition.
X Leave the key in the starter switch. X
Switch on the hazard warning flasher.
X Release the parking brake. Flat towing
Flat towing is when all wheels of the
vehicle are on the ground during the tow.
For vehicles that will be flat towed over
long distances observe the following
recommendations:
X Preparing the vehicle: Contact an
authorized
smart center for information
on recommended tow bar equipment and
installing a matching on/off switch on
the battery terminal.
X Before towing:
Make sure the ignition is
switched on.
X Engage the parking brake.
X Depress the brake pedal and keep it
pressed.
X Move the gear selector lever to neutral
position N.
X Release the brake pedal.
i With the gear selector lever in neutral
position N,

the key cannot be turned fully
to starter switch position 0. Therefore
turn the key in the starter switch as far
left as it will go when switching off the
ignition.
X Switch off the ignition.
X Leave the key in the starter switch.
X Wait approximately 30 seconds until the
multifunction display in the instrument
cluster is completely blank.
X Turn the battery off using the previously
installed battery switch.
X Release the parking brake.
X During towing: Make sure the gear
selector lever remains in neutral
position N with the ignition switched
off.
X After towing: Engage the parking brake.204
Towing
>> Practical hints.

X
Turn the battery on using the previously
installed battery switch.
X Move the gear selector lever to park
position P.
X Remove the key from the starter switch.
X Lock the doors.
! Do not flat tow the vehicle with the front
axle raised. Doing so may cause serious
damage to the brake system which is not
covered by the smart Limited Warranty.
! Failure to follow the recommendations
for flat towing can cause damage to your
vehicle:
R Not following the battery disconnect
procedure in the proper sequence may
result in data loss in the vehicle’s
control units.
R Not disconnecting the battery and
leaving the key in starter switch
position 1 (ignition on) may result in
-the vehicle locking. The vehicle will
lock if the wheels are turning at
vehicle speeds of approximately
8 mph (14 km/h) or more.
- the ESP ®
being activated. Active
braking action through the ESP ®
may
seriously damage the brake system
which is not covered by the smart
Limited Warranty.
R Not moving the gear selector lever to
neutral position N may result in
significant transmission damage.
R in a discharged battery. Fuses
The electrical fuses in your vehicle serve
to switch off malfunctioning power
circuits.
If a fuse is blown, the components and
systems secured by that fuse will stop
operating. G
WARNING
Only use fuses approved by smart with the
specified amperage for the system in
question and do not attempt to repair or
bridge a blown fuse this may cause an
overload leading to a fire, and/or cause
damage to electrical components and/or
systems. Contact a smart center if you
encounter any electrical problems.
! A blown fuse must be replaced by an
appropriate

spare fuse (recognizable by
its color or the fuse rating given on the
fuse) of the amperage recommended in
the fuse chart. Any smart center will be
glad to advise you on this subject.
If a newly inserted fuse blows again, have
the cause determined and rectified at an
authorized smart center.
Before replacing fuses:
R Engage the parking brake.
R Make sure the gear selector lever is in
park position P.
R Turn off all electrical accessories.
R Turn off the engine.
R Remove the key from the starter switch. Replacing a fuse
The
fuse box is located on the driver’s side
below the dashboard. Fuses
205
>> Practical hints. Z