2012 SMART FORTWO COUPE sensor

child restraint, or if the passenger seat is
sensed as being empty.
When
the OCS senses that the passenger seat
occupant is classified as being up to or
less than the weight of a typical
12‑month‑old child in a standard child
restraint, the 4 0 indicator
lamp will illuminate when the ignition is
switched on and remain illuminated,
indicating that the passenger front air bag
is deactivated.
When the OCS senses that the passenger seat
is classified as being empty, the
4 0 indicator lamp will
illuminate and remains illuminated.
When the OCS senses that the passenger seat
occupant is classified as being heavier
than the weight of a typical 12‑month‑old
child seated in a standard child restraint
or as being a small individual (such as a
young teenager or a small adult), the
4 0 indicator lamp will
illuminate for approximately 4 seconds
when the ignition is switched on and then,
depending on occupant weight sensor
readings from the seat, remains
illuminated or goes out.
When the 4 0 indicator lamp is
illuminated, the passenger front air bag is
deactivated.
When the 4 0 indicator lamp is
out and the passenger seat is occupied by
an adult or someone larger than a small
individual, the passenger front air bag is
activated.
When the OCS senses that the passenger seat
occupant is classified as an adult or
someone larger than a small individual, the
4 0 indicator lamp will
illuminate for approximately 4 seconds
when the ignition is switched on and then
goes out, indicating that the passenger
front air bag is activated.
If the 4 0 indicator lamp is
illuminated, the passenger front air bag is
deactivated and will not be deployed. If the
4 0 indicator lamp is not
illuminated, the passenger front air bag is
activated and will be deployed
R in the event of certain frontal impacts
R if impact exceeds a preset deployment
threshold
R independently of the head-thorax air
bags
If the passenger front air bag is deployed,
the rate of inflation will be influenced by
R the rate of vehicle deceleration and a
fastened or unfastened seat belt as
assessed by the air bag control unit
R the passenger’s weight category as
identified by the OCS G
WARNING
Children 12 years old and under must be
seated and properly secured in an
appropriate infant or child restraint
recommended

for the size and weight of the
child.
The infant or child restraint must be
properly secured with the vehicle’s seat
belt, fully in accordance with the child
seat manufacturer’s instructions.
Children can be killed or seriously injured
by an inflating air bag. Note the following
important information:
R Your vehicle is equipped with air bag
technology designed to turn off the
passenger front air bag in your vehicle
when the system senses the weight of a
typical 12‑month‑old child or less along
with the weight of a standard
appropriate child restraint on the
passenger seat.
R A child in a rear-facing child restraint
on the passenger seat will be seriously
injured or even killed if the passenger
front air bag inflates in a collision
which could occur under some
circumstances, even with the air bag
technology installed in your vehicle. 40
Occupant safety
>> Safety.

R
there is motion inside the vehicle
R someone attempts to raise the vehicle
The alarm will also be triggered when
unlocking and opening the driver’s door
with the key.
i The alarm will stay on, even if the
driver’s
door is immediately closed. For
canceling the alarm, see ( Y page 49).
Close the windows and the tailgate before
arming the alarm system. Make sure there
are no moving objects inside the vehicle. X
Arming: Lock the vehicle using the
remote control.
Warning system indicator lamp :
flashes rapidly. The anti-theft warning
system

arms after about 25 seconds. When
the anti-theft warning system is armed,
warning system indicator lamp :
flashes about every three seconds.
i You
can also arm the anti-theft warning
system by locking the vehicle without
using the remote control (Y page 176).
X Disarming: Unlock the vehicle using the
remote control.
The anti-theft warning system is
disarmed. Warning system indicator
lamp : stops flashing.
Canceling the alarm X
Insert the key in the starter switch.
X Turn the key to starter switch position 1.
or
X Press button # or * on the key. Tow-away alarm* and interior motion
sensor*
Once the anti-theft warning system has
been armed, a visual and audible alarm is
triggered when someone attempts to raise
the

vehicle or if motion is detected inside
the vehicle.
X Arming: Lock the vehicle using the
remote control.
The

tow-away protection and the interior
motion sensor are armed after about
25 seconds.
X Disarming: Unlock the vehicle using the
remote control.
The

tow-away protection and the interior
motion sensor are disarmed.
Canceling the alarm X
Insert the key in the starter switch.
X Turn the key to starter switch position 1.
or
X Press button # or * on the key.
Switching off tow-away protection and
interior motion sensor Switch off the tow-away protection and the
interior motion sensor when locking the
vehicle and
R
transporting the vehicle,
R board, e.g. a ferry or auto train,
R there are people or animals in the
vehicle,
R the side windows remain open.
This prevents any false alarm. Anti-theft systems
49
>> Safety.
* optional Z

X
Remove the key from the starter switch.
X Press switch : within 60 seconds.
Indicator lamp ; comes on.
X Exit the vehicle.
X Lock the vehicle using the remote
control.
i The tow-away protection and the
interior motion sensor remain switched
off until you lock your vehicle again. 50
Anti-theft systems>> Safety.

!
The remote control has an operating
range
of approximately 50 ft (15 meters).
This can fluctuate greatly as a
consequence of local conditions
(reflective or absorbing objects) and
interference emitted by other radio
transmission systems. Similarly, the
operating range fluctuates in line with
the direction from which the remote
control is activated.
To prevent theft, however, it is advisable
to only unlock the vehicle when you are
in close proximity to it. Locking and unlocking from the
outside
X Selective unlocking: Press button # on
the key once.
All turn signal lamps flash once.
The anti-theft warning system* is
disarmed.
The

driver’s door and the fuel filler flap
are unlocked.
X Global unlocking:
Press button # on the
key twice.
All turn signal lamps flash once again.
The passenger door and the tailgate are
unlocked in addition to the driver’s door
and the fuel filler flap.
X Global locking: Press button * on the
key.
With the doors, the tailgate(s), and the
fuel filler flap closed, the turn signal
lamps flash three times.
The

anti-theft warning system* is armed.
The indicator lamp on the central
locking switch flashes (Y page 54).
The interior and exterior 8
lamps come on
and then go out again after 12 seconds.
i In vehicles with anti-theft warning
system*, an acoustic signal will sound
when locking or unlocking the vehicle. When unlocking, the acoustic signal
sounds once. When locking, the acoustic
signal sounds three times.
The acoustic signal is activated at the
factory. If you wish to deactivate the
feature, contact an authorized smart
center.
Automatic locking
Auto-relock function The vehicle will lock again automatically
within approximately 60 seconds of
unlocking with the key if neither the
driver’s nor passenger door is opened.
!
To prevent an inadvertent lockout,
never

leave your key lying in the vehicle.
Drive lock function The vehicle locks automatically when the
ignition

is switched on and the wheels are
turning at vehicle speeds of approximately
8 mph (14 km/h) or more. The drive lock
function is enabled at the factory.
X Switching on: Switch off the ignition.
X Press the central locking switch
(Y page 54) and button * on the key
simultaneously.
An acoustic signal sounds.
The drive lock function is switched on.
X Switching off: Switch off the ignition.
X Press the central unlocking switch
(Y page 54) and button # on the key
simultaneously.
An acoustic signal sounds.
The drive lock function is switched off.
8 Vehicles with rain-light sensor* only. Opening and closing
53
>> Controls.
* optional Z

i
If you drive in countries where
vehicles drive on the other side of the
road than the country in which the
vehicle is registered, you must have the
headlamps
modified for symmetrical low
beams. Relevant information can be
obtained at any authorized smart center. Exterior lamp switch (USA only)
$
Lamps off
Daytime running lamp mode*
T Parking lamps
L Low‑beam headlamps or high‑beam
headlamps
à Automatic headlamp mode* Exterior lamp switch (Canada only)
$
Lamps off
Daytime running lamp mode
T Parking lamps
L Low‑beam headlamps or high‑beam
headlamps Parking lamps You can switch on and off the parking lamps
with the exterior lamp switch using the
manual headlamp mode.
X
Switching on: Turn the exterior lamp
switch to position T.
The parking lamps come on.
The following lamps also come on:
R Tail lamps
R License plate lamps
R Side marker lamps
Low‑beam headlamps You can switch on and off the low‑beam
headlamps with the exterior lamp switch
using the manual headlamp mode.
X
Switching on: Turn the exterior lamp
switch to position L.
The low‑beam headlamps come on.
The low‑beam headlamp indicator lamp
M

in the instrument cluster comes on.
The following lamps also come on:
R Tail and parking lamps
R License plate lamps
R Side marker lamps
Automatic headlamp mode (USA only) This feature is only available on vehicles
with rain-light sensor*.
The following lamps come on and go out
automatically

depending on the brightness
of the ambient light:
R Low‑beam headlamps
R Tail and parking lamps
R License plate lamps
R Side marker lamps G
WARNING
If the exterior lamp switch is set to
position Ã, the headlamps will not be
automatically switched on under foggy
conditions. Lighting
65
>> Controls.
* optional Z

To minimize risk to you and to others,
activate headlamps by turning exterior
lamp
switch to position L when driving
or when traffic and/or ambient lighting
conditions require you to do so.
In low ambient lighting conditions, only
switch from position à to L with the
vehicle at a standstill in a safe location.
Switching from position à to L will
briefly switch off the headlamps. Doing so
while driving in low ambient lighting
conditions may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible
for the operation of the vehicle’s lights at
all times.
X Turn the exterior lamp switch to position
Ã.
With the key in starter switch position
1,

the tail and parking lamps, the license
plate lamps, and the side marker lamps
will come on and go out automatically
depending on the brightness of the
ambient light.
With the engine running, the low‑beam
headlamps, the tail and parking lamps,
the license plate lamps and the side
marker lamps will come on and go out
automatically depending on the
brightness of the ambient light.
Daytime running lamp mode (Canada only) In Canada, the daytime running lamp mode
is mandatory and therefore in a constant
mode.
X
Turn the exterior lamp switch to position
$.
i With the engine running, the low‑beam
headlamps cannot be switched off
manually.
You cannot switch on the high‑beam
headlamps.
The high‑beam flasher is available at all
times. For nighttime driving you should turn the
exterior lamp switch to position
L to
permit activation of the high‑beam
headlamps.
When the engine is running, and you
R turn

the exterior lamp switch to position
T, the low‑beam headlamps, the tail
and parking lamps, the license plate
lamps and the side marker lamps come on
R turn the exterior lamp switch to position
L, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps come
on (Y page 65).
Daytime running lamp mode* (USA only) In the USA, the daytime running lamp mode
is deactivated by default.
X
Activating: Switch off the ignition.
X Switch on the high-beam flasher and
press button * on the key
simultaneously.
An acoustic signal sounds.
The daytime running lamp mode is
activated.
X Turn the exterior lamp switch to position
$.
i With the engine running, the low‑beam
headlamps cannot be switched off
manually.
i When

the daytime running lamp mode is
activated, the rain-light sensor* is
without function.
When the engine is running, and you turn
the exterior lamp switch to position T
or L, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps come on
(Y page 64). 66
Lighting
>> Controls.
* optional

X
Deactivating: Switch off the ignition
and remove the key from the starter
switch.
X Switch on the high-beam flasher and
press button # on the key
simultaneously.
An acoustic signal sounds.
The daytime running lamp mode is
deactivated.
LED daytime running lamps* (USA only) Vehicles without rain-light sensor:
X
Switching on: Switch on the ignition.
The LED daytime running lamps are
switched on.
X Switching off: Switch on the parking
lamps or the low‑beam headlamps.
The LED daytime running lamps are
switched off.
Vehicles with rain-light sensor*:
X Turn the exterior lamp switch to position
Ã.
With the key in starter switch position
1, the LED daytime running lamps are
switched on. In low ambient light
conditions, low-beam headlamps, the
tail
and parking lamps, the license plate
lamps and the side marker lamps will
come on. The LED daytime running lamps
will then be switched off.
With the engine running, the low‑beam
headlamps, the tail and parking lamps,
the license plate lamps and the side
marker lamps will come on and go out
automatically depending on the
brightness of the ambient light.
When the engine is running, and you turn
the exterior lamp switch to position T
or L, the manual headlamp mode has
priority

over the LED daytime running lamp
mode.
The corresponding exterior lamps come on
(Y page 64). LED daytime running lamps*
(Canada only) X
Switching on: Switch on the ignition.
The LED daytime running lamps are
switched on.
X Switching off: Switch on the low‑beam
headlamps.
The LED daytime running lamps are
switched off. Combination switch (high beam, high
beam flasher and turn signals)
X Make sure the key is in starter switch
position 1.
High‑beam headlamps and high-beam
flasher X
Make sure the low‑beam headlamps are
switched on (Y page 65).
X Switching on: Push the combination
switch to position 1.
The high‑beam headlamps come on.
The

high‑beam headlamp indicator lamp
K in the instrument cluster comes on.
X Switching off: Pull the combination
switch in direction of arrow ; to its
original position.
The high‑beam headlamps go out.
The

high‑beam headlamp indicator lamp
K in the instrument cluster goes out.
X High-beam flasher:
Pull the combination
switch briefly in direction of arrow ;. Lighting
67
>> Controls.
* optional Z

Turn signals
:
Turn signals, right
; Turn signals, left
X Switching on: Push the combination
switch in direction of arrow : or ;.
The corresponding turn signals flash.
The
corresponding turn signal indicator
lamp # or ! in the instrument
cluster flashes.
The combination switch resets
automatically after major steering
wheel movement.
i To signal minor directional changes
such as changing lanes, push the
combination switch only to the point of
resistance and release. The
corresponding turn signals will flash
three times. Coming home function
Vehicles without rain-light sensor: The
interior lamps come on and then go out
again

after 12 seconds every time when you
lock or unlock the vehicle.
Vehicles with rain-light sensor*: In
addition to the interior lamps, the
exterior lamps come on and then go out
again after 12 seconds depending on the
brightness of the ambient light when you
lock or unlock the vehicle. When leaving the vehicle X
Remove the key from the starter switch.
X Exit the vehicle.
X Press button * on the key.
The vehicle is locked.
The

interior and exterior 9
lamps come on
and then go out again after 12 seconds.
When returning to the vehicle X
Press button #
on the key either once or
twice.
The vehicle is either selectively or
globally unlocked.
The interior and exterior 9
lamps come on
and then go out again after 12 seconds. Front fog lamps
G
WARNING
Vehicles with rain-light sensor*:
In low ambient lighting or foggy
conditions, only switch from position
à to L with the vehicle at a
standstill in a safe location. Switching
from à to L will briefly switch off
the headlamps. Doing so while driving in
low

ambient lighting conditions may result
in an accident.
i Fog lamps will operate with the parking
lamps and/or the low‑beam headlamps on.
Fog lamps should only be used in
conjunction with low‑beam headlamps.
Consult your State or Province Motor
Vehicle Regulations regarding
permissible lamp operation.
i Vehicle with rain-light sensor*:
Fog lamps cannot be switched on manually
with the exterior lamp switch in
position Ã. To switch on the fog
lamps, turn the exterior lamp switch to
position L first.
9 Vehicles with rain-light sensor*. 68
Lighting
>> Controls.
* optional