2011 SMART FORTWO COUPE maintenance

sensors to achieve substantial control of
the pollutants in the exhaust emissions.
Keep your vehicle in proper operating
condition by following our recommended
maintenance instructions as outlined in
your Maintenance Booklet.GWarning!
The catalytic converter can become very
hot. Coming into contact with the catalytic
converter could result in burns.
Note the following:
R Do not remove the protective heat guards.
R Do not apply any underseal.
R As with any vehicle, do not idle, park, or
operate this vehicle in areas where
combustible materials such as grass,
hay, or leaves can come into contact with
the hot exhaust system, as these
materials could be ignited and cause a
vehicle fire.
! To prevent damage to the catalytic
converter, only use premium unleaded
gasoline in this vehicle.
Any noticeable irregularities in engine
operation should be repaired promptly.
Otherwise, excessive unburned fuel may
reach the catalytic converter, causing it
to overheat and potentially start a fire.
It is essential to observe the following
points, as there is otherwise a danger of
overheating and the catalytic converter
may be damaged.
R Fill up only with premium unleaded
gasoline. Even small quantities of
leaded gasoline can damage the catalytic
converter.
R Make sure you adhere to the prescribed
service intervals.
R Never run the fuel tank empty.
R If the engine starts to misfire, bring the
vehicle to an immediate standstill
without endangering traffic.
R If the engine fails to start the first time,
you should not try to start it any more
than three times in succession.
R Do not try to start for more than four
seconds at a time.
Tires
GWarning!
If you feel a sudden significant vibration
or ride disturbance, or you suspect that
possible damage to your vehicle has
occurred, you should turn on the hazard
warning flashers, carefully slow down, and
drive with caution to an area which is a safe
distance from the road.
Inspect the tires and the vehicle underbody
for possible damage. If the vehicle or tires
appear unsafe, have the vehicle towed to the
nearest smart center or tire dealer for
repairs.
Treadwear indicators (TWI) are required by
law. These indicators are located in six
places on the tread circumference and
become visible at a tread depth of
approximately 1
/ 16 in (1.6 mm), at which
point the tire is considered worn and
should be replaced.
The treadwear indicator appears as a solid
band across the tread.
GWarning!
Although the applicable federal motor
vehicle safety laws consider a tire to be
worn when the treadwear indicators (TWI)
become visible at approximately 1
/ 16 in
(1.6 mm), we recommend that you do not allow
your tires to wear down to that level. As
tread depth approaches 1
/ 8 in (3 mm), the
adhesion properties on a wet road are
sharply reduced.
Depending upon the weather and/or road
surface (conditions), the tire traction
varies widely.
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the air intake, causing severe internal
engine damage.
Any such damage is not covered by the smart
Limited Warranty.
Passenger compartment
GWarning!
Always fasten items being carried as
securely as possible.
In an accident, during hard braking or
sudden maneuvers, loose items thrown
around inside the vehicle may injure
vehicle occupants.
The cargo compartment is the preferred
place to carry objects.
Control and operation of radio
transmitters
Radio and telephone
GWarning!
Please do not forget that your primary
responsibility is to drive the vehicle
safely. Only operate the radio or
telephone 16
if road, weather and traffic
conditions permit.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
Telephones and two-way radios
GWarning!
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e.
without being connected to an external
antenna) from inside the vehicle while the
engine is running. Doing so could lead to a
malfunction of the vehicle’s electronic
system, possibly resulting in an accident
and/or serious personal injury.
Radio transmitters, such as a mobile phone
or a citizens band unit should only be used
inside the vehicle if they are connected to
an antenna that is installed on the outside
of the vehicle.
Refer to the radio transmitter operation
instructions regarding use of an external
antenna.
Emission control
Certain engine systems serve to keep the
toxic components of the exhaust gases
within permissible legal limits.
These systems, of course, will function
properly only when maintained strictly
according to factory specifications.
Any adjustments to the engine should
therefore be carried out only by qualified
smart center authorized technicians.
Engine adjustments should not be altered
in any way. Moreover, the specified service
jobs must be carried out regularly
according to smart servicing
requirements. For details refer to the
Maintenance Booklet.
GWarning!
Inhalation of exhaust gas is hazardous to
your health. All exhaust gas contains
carbon monoxide (CO), and inhaling it can
cause unconsciousness and lead to death.
Do not run the engine in confined areas
(such as a garage) which are not properly
ventilated. If you think that exhaust gas
fumes are entering the vehicle while
driving, have the cause determined and
corrected immediately. If you must drive
under these conditions, drive only with at
least one window fully open at all times.
16 Observe all legal requirements.152Driving instructions>> Operation.
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Display messagesPossible causes/consequences and 0050 Solutions00B6
Reserve FuelThe fuel level has dropped below the reserve mark.XRefuel at the next gas station.00DC
Driver´s Door AjarThe driver’s door is open.XClose the driver’s door.00DD
Door AjarThe passenger door is open.XClose the passenger door.00DB
Tailgate OpenA tailgate or the rear soft top 17
is open.XClose the tailgates or the rear soft.Display messagesPossible causes/consequences and 0050 Solutions0077
Check Tire PressureThe tire inflation pressure in at least one tire is
significantly below the reference value.XCarefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers.XCheck and adjust tire inflation pressure as required
( Y page 128).XIf necessary, change the wheel ( Y page 193).GWarning!
Each tire should be checked monthly when cold and inflated to the inflation pressure
recommended by the vehicle manufacturer on the Tire and Loading Information placard. If
your vehicle has tires of a different size than the size indicated on the Tire and Loading
Information placard, you should determine the proper tire inflation pressure for those
tires.
As an added safety feature, your vehicle has been equipped with a tire pressure monitoring
system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires
is significantly underinflated.
Accordingly, when the low tire pressure telltale illuminates, you should stop and check your
tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly
underinflated tire causes the tire to overheat and can lead to tire failure.
Underinflation also reduces fuel efficiency and tire tread life, and may affect the vehicle’s
handling and stopping ability. Please note that the TPMS is not a substitute for proper tire
maintenance, and it is the driver’s responsibility to maintain correct tire pressure, even
if underinflation has not reached the level to trigger illumination of the TPMS low tire
pressure telltale.
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Tire Pressure Monitoring System (TPMS)* ProblemPossible causes/consequences and 0050 Solutions0077The
combination
low tire
pressure/TPMS
malfunction
telltale
illuminates
continuously.The TPMS detects a loss of pressure in at least one tire.XCarefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers. Observe the traffic
situation around you.XCheck and correct tire inflation pressure as required
( Y page 128).
If the tire inflation pressure in the respective tire(s) has
(have) been corrected, the combination low tire pressure/TPMS
malfunction telltale goes out after a few minutes of driving.
See also “Restarting the TPMS” ( Y page 131).
0077The
combination
low tire
pressure/TPMS
malfunction
telltale flashes
60 seconds and
then stays
illuminated.There is a malfunction in the TPMS.XHave the TPMS checked at an authorized smart center.
After the malfunction has been remedied the combination low
tire pressure/TPMS malfunction telltale goes out after a few
minutes of driving.
GWarning!
Each tire should be checked monthly when cold and inflated to the inflation pressure
recommended by the vehicle manufacturer on the Tire and Loading Information placard. If
your vehicle has tires of a different size than the size indicated on the Tire and Loading
Information placard, you should determine the proper tire inflation pressure for those
tires.
As an added safety feature, your vehicle has been equipped with a tire pressure monitoring
system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires
is significantly underinflated.
Accordingly, when the low tire pressure telltale illuminates, you should stop and check your
tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly
underinflated tire causes the tire to overheat and can lead to tire failure.
Underinflation also reduces fuel efficiency and tire tread life, and may affect the vehicle’s
handling and stopping ability. Please note that the TPMS is not a substitute for proper tire
maintenance, and it is the driver’s responsibility to maintain correct tire pressure, even
if underinflation has not reached the level to trigger illumination of the TPMS low tire
pressure telltale.
Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when
the system is not operating properly. The TPMS malfunction indicator is combined with the
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bolt should be tightened to a torque of
81 lb‑ft (110 Nm).
Wheel change
Preparing the vehicle
XPark the vehicle on a hard, flat surface
when possible.XTurn on the hazard warning flasher.XTurn the steering wheel so that the front
wheels are in a straight-ahead position.XEngage the parking brake.XMove the gear selector lever to park
position P.XTurn off the engine.XHave any passenger exit the vehicle at a
safe distance from the roadway.
Removing the wheel
GWarning!
When jacking up the vehicle, only use a
suitable jack. Observe the manufacturer’s
safety instructions.
The jack must be designed for jacking up
this vehicle at the jack take-up brackets
built into both sides of the vehicle.
The jack is intended only for lifting the
vehicle briefly for wheel changes. It is not
suited for performing maintenance work
under the vehicle. To help avoid personal
injury, use the jack only to lift the vehicle
during a wheel change.
Never get beneath the vehicle while it is
supported by the jack. Keep hands and feet
away from the area under the lifted vehicle.
Always lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.
Always firmly engage the parking brake and
block the wheels with wheel chocks or other
sizeable objects before raising the
vehicle with the jack. Do not release the
parking brake while the vehicle is raised.
Make sure the ground on which the vehicle
is standing and where you place the jack is
solid, level and not slippery. If necessary,
use a large underlay. On slippery surfaces,
such as tiled floors, you should use a non-
slip underlay, for example a rubber mat.
Do not use wooden blocks or similar objects
to support the jack. Otherwise the jack may
not be able to achieve its load-bearing
capacity if it is not at its full height.
The jack must always be vertical when in
use. Always try to use the jack on level
surface. If you do not position the jack
correctly, the vehicle can fall off the jack
and seriously or fatally injure you or
others.
Never start the engine when the vehicle is
raised.
Also observe the notes on the jack.XMake sure to have a suitable jack 18
, wheel
wrench 18
and wheel chock 18
.
Contact an authorized smart center for
information on which jack and wheel
wrench are required.XPrepare the vehicle as described
( Y page 193).XMake sure the surface is level.
Prevent the vehicle from rolling away by
blocking wheels with wheel chocks or other
sizeable objects:
XPlace one wheel chock or other sizeable
object in front of and another wheel
chock or other sizeable object behind
the wheel that is diagonally opposite to
the wheel being changed.18 Not included and not available as factory equipment.Wheel change193>> Practical hints.BA 451 USA, CA Edition A 2011; 1; 4, en-UShereepeVersion: 3.0.3.62010-05-11T15:12:26+02:00 - Seite 193Z

to come off. This could cause an accident.
Be sure to use the correct wheel bolts.
GWarning!
Only use genuine smart wheel bolts. Other
wheel bolts may come loose.
Do not tighten the wheel bolts when the
vehicle is raised. Otherwise the vehicle
could fall off the jack.
XClean contact surfaces of wheel and wheel
hub.
! To avoid paint damage, place wheel flat
against hub and hold it there while
installing first wheel bolt.
XGuide the wheel onto the wheel hub and
push it on.
XInsert two wheel bolts and tighten them
slightly.
XVehicles with wheel trim cap on steel
rim: Attach the wheel trim cap so that it
is held by the two wheel bolts.
XInstall last wheel bolt and tighten it
slightly.
XLower the vehicle until the vehicle is
resting fully on its own weight.
XRemove the jack.XTighten the wheel bolts. Observe a
tightening torque of 80 lb-ft (110 Nm).
GWarning!
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque
of 80 lb-ft (110 Nm).
Steel rim with wheel cover
XVehicles with wheel cover on steel rim:
Position wheel cover aperture \000F so
valve \000G fits through.
XPush the wheel cover evenly onto the
wheel rim with both hands.
XCheck that the wheel cover is fixed
securely to the wheel rim.
iThe Tire Pressure Monitoring System
(TPMS)* only functions on wheels that are
equipped with the proper electronic
sensors (Y page 129).
Battery
About the battery
Your vehicle’s battery is located in the
passenger footwell below the footrest
(Y page 197).
The battery should always be sufficiently
charged in order to achieve its rated
service life. Refer to Maintenance Booklet
for battery maintenance intervals.
If you use your vehicle mostly for short-
distance trips, you will need to have the
battery charge checked more frequently.
When replacing the battery, always use
batteries approved by smart.
Battery: 12 V and 42 Ah
If you do not intend to operate your vehicle
for an extended period of time, consult an
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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
iIf the battery is disconnected or
discharged
Rthe key will not turn in the starter
switch
Rthe automatic transmission will
remain in park position P
For more information see “Jump
starting” (Y page 198).
XEngage the parking brake.XMove the gear selector lever to park
position P.
XTurn off all electrical accessories.XTurn off the engine.XOpen the passenger door.XMove the passenger seat to the rear as far
as possible.
XUnscrew the carpet holder in the
passenger footwell (Y page 160).
XLift the carpet.XUnscrew fastening screw \000G
counterclockwise.
XPull footrest \000F sideways out of the
vehicle.
XRead and observe safety instructions and
precautions (Y page 195).
! Always disconnect the battery in the
order described below. Otherwise the
vehicle’s electronics can be damaged.
XDisconnect the battery negative lead
from negative terminal \000

Parts service
The “Technical data” section provides the
necessary technical data for your vehicle.
Genuine smart Parts are subjected to
stringent quality inspections. Each part
has been specifically developed,
manufactured or selected for and adapted
to smart vehicles.
Therefore, Genuine smart Parts should be
installed.
! The use of non-genuine smart parts and
accessories not authorized by smart
could damage the vehicle, which is not
covered by the smart Limited Warranty,
or could compromise the vehicle’s
durability or safety.
Warranty coverage
Your vehicle is covered under the terms of
the warranties printed in the Service and
Warranty Information booklet. Your
authorized smart center will exchange or
repair any defective parts originally
installed on the vehicle in accordance with
the terms of the following warranties:
R smart USA Limited Warranty (USA only)
R New Vehicle Limited Warranty (Canada
only)
R Emission System Warranty
R Emission Performance Warranty
R Corrosion Warranty
R California, Connecticut, Maine,
Massachusetts, New York, Pennsylvania,
Rhode Island, and Vermont Emission
Control System Warranty
R smartmove Assistance (Canada only)
R State Warranty Enforcement Laws (Lemon
Laws, USA only)
Replacement parts and accessories are
covered by the smart Parts and Accessories
warranties, copies of which are available
at any authorized smart center.
Loss of Service and Warranty
Information Booklet
Should you lose your Service and Warranty
Information booklet, have an authorized
smart center arrange for a replacement. It
will be mailed to you.
Engine electronics
Work on engine electronics
GWarning!
Always have maintenance work on engine
electronics and components performed by a
qualified specialist, e.g. at a smart
center. In particular, work relevant to
safety or on safety related systems must be
carried out at a qualified specialist
workshop.
! Always have maintenance work on the
engine electronics and components, such
as control modules, sensors and
connecting cables, performed by a
qualified specialist who has the
necessary knowledge and tools to carry
out the work required, e.g. at a smart
center. Otherwise there is a danger that
vehicle components may wear more
rapidly, which may void the vehicle’s
warranty.
Retrofitting electrical and electronic
devices
Electrical and electronic devices can
endanger vehicle operating safety.
! Damage or consequential damage due to
retrofitting a device in the vehicle is
not covered by smart’s warranty.
If you install telephones or radio
transmitters in the vehicle you must have
such retrofits approved. smart approves
the installation of telephones and radio
devices if the work is done professionally
212Engine electronics>> Technical data.
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