lock SMART FORTWO COUPE 2013 Workshop Manual

Disconnecting, removing, charging,
reinstalling and reconnecting 12‑volt
battery
Disconnecting the 12-volt battery i
If the 12-volt battery is disconnected
or discharged
R turning the key in the starter switch
will have no effect
R the transmission will remain in park
position P
For more information see “Jump
starting” (Y page 193).
X Engage the parking brake.
X Move the gear selector lever to park
position P.
X Turn off all electrical accessories.
X Switch off the drive system.
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 154).
X Lift the carpet. X
Unscrew fastening screw 0003
counterclockwise.
X Pull footrest 0002sideways out of the
vehicle.
X Read and observ esafety instructions and
precautions (Y page 190). !
Always disconnect the battery in the
order described below. Otherwise the
vehicle’s electronic scan be damaged.
X Disconnect the battery negative lead
from negative terminal 002B.
Make sure the negative lead does not
come into contact with the positive lead.
X Remove cover 002Afrom the positive
terminal.
X Disconnect the battery positive lead.
Removing the 12-volt battery X
Unscrew battery mount 0028.
X Remove the battery support and bracket.
X Pull out the ventilation hose from the
battery.
Depending on battery 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 12-volt 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 192
Batteries>> Practical hints.

further gas is being discharged by the
batteries.
Only charge the battery in
awell 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 12-volt 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 12-volt 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 002A(Ypage 192).
X Connect battery negative lead 002B
(Y page 192).
i After battery power (e.g. due to
reconnection) was interrupted, you will
have to set the clock (Y page 90).
i Have the battery’s charge status and
acid level checked at the start of the cold
season at a an authorized electric drive
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,
immediately flush affected area with
water, and seek medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and very explosive.
Keep flames or sparks away from battery,
avoid improper connection of jumper
cables, smoking, etc.
Attempting to jump start a frozen battery
can result in it exploding, causing
personal injury.
Read all instructions before proceeding.
! Do not tow‑start vehicle. It is not
possible to tow-start the vehicle.
Attempting to do so may seriously damage
the drivetrain which would not be
covered by the smart Limited Warranty.
If the 12-volt battery is discharged, the
drive system cannot be started, regardless Jump starting
193>> Practical hints. Z

G
WARNING
If circumstances require towing the
vehicle with all wheels on the ground,
always tow with a tow bar if:
R the drive system will not run
R there is a malfunction in the brake
system
R there is a malfunction in the power
supply or in the vehicle’s electrical
system
At ow bar is necessary to adequately control
the towed vehicle.
Prior to towing the vehicle with all wheels
on the ground, make sure the gear selector
lever is in neutral position Nand the
ignition is switched on. G
WARNING
With the drive system inactive, there is no
power assistance for the brake and steering
systems. In this case, it is important to
keep in mind that a considerably higher
degree of effort is necessary to brake and
steer the vehicle. Adapt your driving
accordingly.
! The vehicle may be towed only for
distances up to 30 miles (50 km) and at a
speed not to exceed 30 mph (50 km/h).
Otherwise, the electric drive or the
high-voltage system could be damaged.
! Do not tow other vehicles.
Otherwise, the drive system or
components of the high-voltage system
could be damaged.
! Do not 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.
! Before towing the vehicle observe the
following instructions:
R Do not tow with sling-type equipment
attached to suspension parts. This may cause damage to the supports if towing
on a bumpy road.
R Towing the vehicle should only be done
using the properly installed towing
eye bolt. Never attach a tow cable, tow
rope, or tow rod to the vehicle chassis,
frame, or suspension parts.
! Make sure the gear selector lever is in
neutral position Nwhile towing the
vehicle. Doing otherwise may result in
significant drive train damage.
! Towing the vehicle with a luggage
rack* mounted is not permissible. The
vehicle must not be towed by the luggage
rack*.
i If the 12-volt battery is disconnected
or discharged, the gear selector lever
will remain locked in park position P.
Contact an authorized electric drive
smart center for assistance or call
Roadside Assistance.
Towing eye bolt The towing eye bolt is located in the
passenger footwell under the carpet.
X
Unscrew the carpet holder in the
passenger footwell (Y page 154).
X Lift the carpet. X
Take out towing eye bolt 0002. Towing
197>> Practical hints.
* optional Z

Installing towing eye bolt
The towing eye bolt can be screwed into
threaded holes which are located behind
covers on the front and rear bumper.
Front cover
Rear covers
X
Remove respective cover 0002or0003 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.
X Switch on the hazard warning flasher.
X Release the parking brake.
Wait for at least 2 minutes after the vehicle
has been towed until start working on the
vehicle. 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 an authorized electric
drive 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. 198
Fuses>> Practical hints.

No. Accessory/Component Amperage Color
001A
CPC, shifter, brake force booster vacuum
pump 7.5 A Brown
001B
Coolant pumps 1 and 2, high-voltage battery 15 A Blue
001D
ESP
®
control unit 25 A Neutral
001E
Exterior lamp switch, turn signal lamp
switch, cockpit switch module, on-board
diagnostics socket, exterior rear view
mirror heating, anti-theft warning system,
rain-light sensor, charge level and power
gauges, central locking system, instrument
cluster, Tire Pressure Monitoring System
(TPMS), brake and turn signal lamps (left and
right) 10 A Red
0020
— — —
0021
— — —
0022
Safety circuit high-voltage battery 15 A Blue
0023
— — —
0024
Rear window wiper (coupé only) 15 A Blue
0033
ESP
®
control unit, EPS control unit, restraint
systems 10 A Red
0034
Electric drive components 7.5 A Brown
0035
Air conditionin
gsystem, exterior rear view
mirror adjustment ,washer pump, audio, seat
heating, wiper switch, cruise control, soft
top switch (cabriolet only) 10 A Red
0036
Auxiliary power outlet 15 A Blue
0037
Left low‑beam headlamp 7.5 A Brown
000D
Right low‑beam headlamp 7.5 A Brown
000C
Backup lamp 15 A Blue
000E
Right high‑beam headlamp 7.5 A Brown
000A
Left high‑beam headlamp 7.5 A Brown
0012
Electric drive components 7.5 A Brown
0025
Rear window defroster 40 A Orange
0026
Soft top (cabriolet only) 30 A Green202
Fuses>> Practical hints.

No. Accessory/Component Amperage Color
0027
Radiator cooling fan 40 A Orange
0017
Horn, central locking system 20 A Yellow
0016
— — —
0015
Starter switch (ignition) 50 A Red
0014
ESP
®
control unit 40 A Orange
001F
EPS control unit 30 A Green
002C
Exterior rear view mirror heating 7.5 A Brown
002D
Brake lamps 7.5 A Brown
002E
— — —
002F
On-board diagnostics socket, tire pressure
monitor control unit 7.5 A Brown
0030
Coolant pump, electri
cdrive components, HV
PTC, HV interior PTC heater passenger
compartment, windshield unit car2go 10 A Red
0031
Audio, subwoofer, sound system, soft top
(cabriolet only) 15 A Blue
001C
Interior lighting 5 A Light brown
0013
Surround sound system 20 A Yellow
0011
Seat heating control unit 25 A Neutral Fuses
203>> Practical hints. Z