2017 MITSUBISHI iMiEV light

Brake assist system
Features and controls 5-25
5
erly, the rest of the brake system will still work, but the vehicle will not slow down asquickly. You will know this ha
s happened if you find
you need to depress the brake pedal downfurther, or harder when slowing down or stop- ping, or if the brake warning light comes on.
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The disc brakes have an alarm that makes ametallic squeal when
the brake pads have
worn down enough to need service. If youhear this sound, have
the brake pads replaced
at a certified i-MiEV dealer.
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The brake assist system is a device assisting drivers who cannot depress the brake pedalfirmly such as in em
ergency stop situations
and provides greater braking force. If the brake pedal is depressed suddenly, the brakes will be applied with more force thanusual.
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The anti-lock braking
system helps prevent
the wheels from locking up when braking. This helps you keep control of your vehicleand its direction.
WA R N I N G Never turn off the electric motor switch while driving. Doing so will result in a loss of power assist for the brakes and steer-ing, increasing the effort required to steer and brake the vehicle.NOTE
 At times, you may hear
the brake electric
vacuum pump for the power brakes operat-ing when the ready i
ndicator illuminates or
the brake pedal is depressed. This sound is normal a
nd does not indicate a
problem.
Brake pad wear alarm
WA R N I N G Driving with worn brake pads will make it harder to stop, and can cause an accident.
Brake assist system
CAUTION The brake assist system is not a device designed to exercise
braking force greater
than its capacity. Make
sure to always keep a
sufficient distance be
tween vehicles in front
of you without relying too much on the brake assist system.NOTE
 Once the brake assist system is operational, it maintains great braking force even if the brake pedal is lightly released.To stop its operation, completely remove your foot from the brake pedal.
 The brake assist syst
em may become opera-
tional when the brake pedal is fullydepressed even if it
has not been depressed
suddenly.  When the brake assist system is in use while driving, you may feel as if the depressed brake pedal is soft, the pedal moves in small motions in conjuncti
on with the operation
noise, or the vehicle body and the steering wheel vibrate. This occurs when the brake assist system is ope
rating normally and does
not indicate faulty
operation. Continue to
depress the brake pedal.  You may hear an operation noise when the brake pedal is depre
ssed suddenly while sta-
tionary. This does not
indicate a malfunction
and the brake assist sy
stem is operating nor-
mally.
Anti-lock braking system
NOTE
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Anti-lock braking system 5-26 Features and controls
5
 When using the anti-lock brakes (sudden braking), steering is
slightly different
from normal driving conditions. Use the steering wheel carefully.  Always keep a safe distance from the vehicle in front of you. Even if your vehi- cle is equipped with
the anti-lock braking
system, leave a greater braking distance when: • Driving on gravel or snow-covered roads. • Driving on uneven road surfaces.  Operation of anti-lock braking system is not restricted to situations where brakes are applied suddenly. This system mayalso prevent the wheels from locking when you drive over manholes, steel roadwork plates, road markings, or anyuneven road surface.  When the anti-lock braking system is in use, you may feel the brake pedal vibrat-ing and hear a unique sound. You may also feel as if the pedal resists being pressed.In this situation, simply hold the brake pedal down firmly. Do not pump the brake, which will result in reducedbraking performance.
 An operation noise may be emitted from under the hood in the following situations.The sound is associated with checking the operations of the anti-lock braking sys- tem.At this time, you may feel a shock from the brake pedal if you depress it. These do not indicate a malfunction.• When the electric motor switch is set to the “ON” position. • When the vehicle is driven for a while after the electric motor is turned on.
 The ABS can be used after the vehicle has reached a speed over approximately 6 mph (10 km/h). It stops working when the vehicle slows below approximately 3 mph(5 km/h).
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This light comes on in the event of a malfunc-tion in the anti-lock braking system. It willalso come on as a self-check for a few sec- onds when the electric motor switch is turned to the “ON” position.
Always make sure that
the light goes out befo
re beginning to drive.
Driving hints
CAUTIONThe anti-lock braking system cannot prevent accidents. It is your
responsibility to take
safety precautions and to drive carefully.  Be sure to use the spec
ified type and size of
tire on all four wheels. Otherwise, the ABS may not work properly. Do not install any aftermarket limited slip differential (LSD) on your vehicle. The ABSmay stop functioning properly.
Anti-lock braking system warn- ing light
CAUTION If the anti-lock braking system warning light comes on and stays on af
ter starting the elec-
tric motor unit or while driving, it means that the anti-lock braking system is not workingand that only the standard brake system is available. (The standard brake system will still work properly.) If this happens, takeyour vehicle to a certif
ied i-MiEV dealer as
soon as possible.
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Electric power steering system (EPS)
Features and controls 5-27
5
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Avoid hard braking and high-speed driving. Stop the vehicle in a safe place, put the selec- tor lever to the “P” (PARK) position and turn off the electric motor unit. Restart the electric motor unit and check tosee whether the light goes out after a few minutes driving; if it then remains off during driving, there is no problem.However, if the warning light does not disap- pear, or if it comes on
again when the vehicle
is driven, we recommend you to have thevehicle checked. The ABS and brake force distribution func- tion may not work, so hard braking could make the vehicle unstable.Avoid hard braking and high-speed driving. Stop the vehicle in a safe place and we rec- ommend you to have th
e vehicle checked.
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The power steering system operates while the electric motor unit is running. It helps reduce the effort needed to turn the steering wheel. The power steering system has mechanicalsteering capability in ca
se the power assist is
lost. If the power assist is lost for some rea- son, you will still be able to steer your vehi-cle, but you will notice it takes much more effort to steer. If this happens, have your vehi- cle inspected at a certified i-MiEV dealer.
If the warning light illuminates while driving If only the ABS warning light illu- minate If the ABS warning light and brake warning light illuminate at the same time
NOTE
 The warning light may
be illuminated when
the electric motor unit is started while the12V starter battery voltage
is low, but this is
not an ABS malfunction. When the main drive lithium-ion battery is charged, the 12V starte
r battery is charged at
the same time, and the
warning light will go
out. If the warning light does
not go out or illumi-
nates from time to time even after the battery is charged, take your ve
hicle to a certified i-
MiEV dealer and have
the system checked as
soon as possible.  After driving on snow or icy roads, remove any snow and ice whic
h may have been left
around the wheels. On ve
hicles that have an
anti-lock braking system, be careful not todamage the wheel spee
d sensors (A) or the
cables located at each wheel.Front
Electric power steering sys- tem (EPS) Rear
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Active stability control (ASC)
5
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If there is a malfunction in the system, the warning light will come on.Under normal conditions
, the warning light
comes on when the electric motor switch is turned to the “ON” position and goes off afew seconds later.
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The active stability c
ontrol (ASC) takes over-
all control of the anti-lock braking system, traction control function and skid controlfunction to help maintain the vehicle’s con- trol. Also refer to the following pages on the anti-lock braking system, traction controlfunction and skid control function. Anti-lock braking system (ABS)
 P.5-25
Traction control function
 P.5-29
Skid control function
 P.5-29
WA R N I N GDo not turn the key from the ON position while the vehicle is moving. Stopping theelectric motor unit would make the steer-ing wheel extremely hard to turn, possibly resulting in an accident.NOTE
 During repeated full-lock turning of the steering wheel (for example, while you aremaneuvering the vehicle into a parking space), a protection
function may be acti-
vated to prevent overheating of the powersteering system. This f
unction will make the
steering wheel gradually harder to turn. In this event, limit your turning of the steeringwheel for a while. When the system has cooled down, the steering effort will return to normal.  If you turn the steering wheel while the vehi- cle is stationary with
the headlights on, the
headlights may become
dim. This behavior
is not abnormal. The headlights will return to their original brightne
ss after a short while.
Electric power steering system warning light
CAUTION If the warning light a
ppears while the elec-
tric motor unit is running, have the vehicle inspected at a certified i-MiEV dealer as soon as possible. It may become harder toturn the steering wheel.
Active stability control (ASC)
CAUTION Do not over-rely on the ASC. Even the ASC cannot prevent the natural laws of physics from acting on the vehicle. This system, like any other system, has li
mits and cannot help
you to maintain traction and control of the vehicle in all circumstances. Reckless driv- ing can lead to accident
s. It is the driver’s
responsibility to drive carefully. This means taking into account the tr
affic, road and envi-
ronmental conditions. Be sure to use the specified type and size of tire on all four wheels
. Otherwise, the ASC
may not work properly. Do not install any aftermarket limited slip differential (LSD) on
your vehicle. The ASC
may stop functioning properly.
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Active stability control (ASC) Features and controls 5-29
5
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On slippery surfaces, the traction control function prevents the drive wheels from spin- ning excessively, thus helping the vehicle to start moving from a stopped condition. It alsoprovides sufficient driving force and steering performance as the vehicle turns while press- ing the acceleration pedal.
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The skid control function is designed to help the driver maintain control of the vehicle on slippery roads or during rapid steeringmaneuvers. It works by controlling the elec- tric motor unit output and the brake on each wheel.
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The ASC is automatically activated when theelectric motor switch is turned to the “ON”
vate the system by
pressing down the ASC OFF switch for 3 sec-onds or longer. When the ASC is deacti
vated, the indica-
tor will be illuminated. To reactivate the
ASC, momentarily
press the ASC OFF
switch; the indicator is turned off.
NOTE
 An operation noise may be emitted from under the hood in the fo
llowing situations.
The sound is associated
with checking the
operations of the ASC.
At this time, you may
feel a shock from the brake pedal if you depress it. These do not indicate a malfunc-tion. • When the electric motor switch is set to the “ON” position. • When the vehicle is driven for a while after the electric motor unit is turned on.
 When the ASC is acti
vated, you may feel a
vibration in the vehicle body or hear a whin- ing sound from under the hood. This indicates that the system is operatingnormally. It does not i
ndicate a malfunction.
 When the anti-lock braking system warning light is illuminated, the ASC is not active.
Traction control function
CAUTION When driving a vehicle on a snowy or icy road, be sure to install snow tires and drivethe vehicle at moderate speeds.
Skid control function
NOTE
 The skid control func
tion operates at speeds
of about 9 mph (15 km/h) or higher.
ASC OFF switch
CAUTION For safety reasons, the ASC OFF switch should be operated when your vehicle isstopped.  Be sure to keep the ASC on while driving in normal circumstances. If you deactivate the ASC to move out of mud, sand or fresh snow
, be sure to reacti-
vate the ASC immediately when done. Do not deactivate
the ASC except when neces-
sary. If you depress the accelerator pedal exces- sively and the wheels continue spinning while the ASC is deactivated, the transmis- sion or other parts ma
y become damaged and
could cause an
accident.
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Tire pressure monitoring system
Features and controls 5-31
5
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When the electric motor switch is turned to the “ON” position, this light normally illumi- nates and goes off a
few seconds later.
If one or more of the vehicle tires is signifi-cantly under-inflated, ho
wever, this light will
remain illuminated while the electric motor switch is in the “ON” position.Refer to “If the warning light illuminates while driving” on page 5-32 and take the nec- essary measures.
Each tire, including the spare (if provided), should be checked monthly when cold andinflated to the inflation pressure recom- mended by the vehicle manufacturer on the vehicle placard or tire in
flation pressure label.
(If your vehicle has tires of a different size than the size indicate
d on the vehicle placard
or tire inflation pressure label, you shoulddetermine the proper ti
re inflation pressure
for those tires.) As an added safety fe
ature, your vehicle has
been equipped with a tire pressure monitoring system (TPMS) that illuminates a low tire pressure telltale when one or more of yourtires is significan
tly under-inflated.
Accordingly, when the low tire pressure tell- tale illuminates, you s
hould stop and check
your tires as soon as
possible, and inflate
them to the proper pressure.
 The tire inflation pressure sensor (A) is installed in the illustrated location. Replacegrommet (B) with a new one when the tire isreplaced. For details, please c
ontact a certified i-MiEV
dealer.
Tire pressure monitoring sys- tem warning light
NOTE
CAUTION If the tire pressure monitoring system warn- ing light does not illuminate when the elec-tric motor switch is turned to the “ON”
the tire pressure moni-
toring system is not working properly. Have the system inspected by a certified i-MiEVdealer. In such situations, a malfunctioning of the system may be preventing the monitoring ofthe tire pressure. Avoid sudden braking, sharp turning and high-speed driving. If a malfunction is detected in the tire pres- sure monitoring system, the tire pressure monitoring system warn
ing light will blink
for approximately 1 minute and then remain continuously illuminated. The warning light will issue further warnings each time theelectric motor unit is re
started as long as the
malfunction exists. Check to see whether
the warning light goes
off after few minutes of driving. If it then goes off during driving, there is no problem.However, if the warning light does not go off, or if it blinks again when the electric motor unit is restarte
d, have the vehicle
inspected by a certified i-MiEV dealer. In such situations, a malfunctioning of the system may be preventing the monitoring ofthe tire pressure. For safety reasons, when the warning light appears while driving, avoid sudden braking, sharp turning andhigh-speed driving.
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Tire pressure monitoring system 5-32 Features and controls
5
Driving on a significantly under-inflated tire causes the tire to overheat and can lead to tirefailure. Under-inflation also re
duces alternative fuel
efficiency and tire tread life, and may affectthe vehicle’s handling and stopping ability. Please note that the TP
MS is not a substitute
for proper tire mainte
nance, and it is the
driver’s responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to tri
gger illumination of the
TPMS low tire pressure telltale. Your vehicle has also been equipped with a TPMS malfunction indicator to indicate whenthe system is not operating properly. The TPMS malfunction indicator is combined with the low tire pressure telltale.When the system detects a malfunction, the telltale will flash for
approximately one min-
ute and then remain continuously illuminated.This sequence will continue upon subsequent vehicle start-ups as
long as the malfunction
exists.When the malfunction indicator is illumi- nated, the system may not
be able to detect or
signal low tire pressure as intended.TPMS malfunctions may
occur for a variety
of reasons, including the installation of replacement or alternate tires or wheels on thevehicle that prevent the TPMS from function- ing properly. Always check the TPMS mal- function telltale after replacing one or more
tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheelsallow the TPMS to continue to function prop- erly.
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1. If the low tire pressure monitoring system warning light illumi
nates, avoid hard
braking, sharp steering maneuvers and high speeds. You should stop and adjustthe tires to the proper inflation pressure as soon as possible. Refer to “Tires” on page 9-10.
2. If the tire pressure monitoring system warning light remains illuminated afteryou have been driving for about 20 min- utes after you adjust the tire inflation pres- sure, one or more of
the tires may have a
puncture. Inspect the tire and if it has a puncture, have it repaired by a certified i- MiEV dealer as soon as possible.
If the warning light illuminates while driving
NOTE
 When inspecting or adjusting the tire pres- sure, to avoid breakage, do not apply exces-sive force to the valve stem.  After inspecting or adju
sting the tire pres-
sure, always reinstall the valve cap on the valve stem. Without the valve cap, dirt or moisture couldget into the valve, resulting in damage to the tire inflation pressure sensor.  Do not use metal valve caps, which may cause a metal reaction, resulting in corrosion and damage of the tire
inflation pressure sen-
sors.  Once adjustments have
been made, the warn-
ing light will go off after a few minutes of driving.
WA R N I N G If the tire pressure monitoring system warning light illumi
nates while you are
driving, avoid hard br
aking, sharp steer-
ing maneuvers and high speeds. Drivingwith an under-inflated tire adversely affects vehicle performance and can result in an accident.CAUTION The tire pressure monitoring system warning light may not illuminate
immediately in the
event of a tire blowout or rapid leak.NOTE
 To avoid the risk of damage to the tire infla- tion pressure sensors, have any punctured tire repaired by a cert
ified i-MiEV dealer. If
the tire repair is not done by a certified i- MiEV dealer, it is not
covered by your war-
ranty.
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Tire pressure monitoring system
Features and controls 5-33
5
The tire pressure monitoring system may not work normally in the following circum- stances:  A wireless facility or device using the same frequency is near the vehicle.  Snow or ice is stuck inside the fenders and/or on the wheels. The tire inflation pre
ssure sensors’ battery
is exhausted.  Wheels other than Mitsubishi Motors gen- uine wheels are being used.  Wheels that are not fitted with tire infla- tion pressure sensors are being used. Wheels whose ID codes are not memo- rized by the vehicle are used.  A window tint that affects the radio wave signals is installed.
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If you use new wheels with new tire inflationpressure sensors, their ID codes must be pro- grammed into the tire pressure monitoring system. Have tire and
wheel replacement per-
formed by a certified i-MiEV dealer to avoid the risk of damaging the tire inflation pres- sure sensors.
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Your tire pressure monitoring system oper- ates on a radio frequenc
y subject to Federal
Communications Commission (FCC) Rules(For vehicles sold in
U.S.A.) and Industry
Canada Rules (For vehicles sold in Canada). This device complies wi
th Part 15 of the FCC
Rules and RSS- Gen of the Industry Canada Rules. Operation is subject to the following two con- ditions.  This device may not
cause harmful inter-
ference. This device must ac
cept any interference
received, including interference that may cause undesired operation.
 Do not use an aerosol puncture-repair spray on any tire. Such a spray could damage thetire inflation pressure sensors.  Using the tire repair kit may damage the tire inflation pressure sensor. The vehicle mustpromptly be inspected and repaired by a cer- tified i-MiEV dealer after using the tire repair kit.NOTE
NOTE
 Tire inflation pressures vary with the ambi- ent temperature. If the vehicle is subjected tolarge variations in ambient temperature, thetire inflation pressures may be under-inflated (causing the warning light to come on) when the ambient temperature is relatively low. Ifthe warning light comes on, adjust the tire inflation pressure.
Whenever the tires and wheels are replaced with new ones
CAUTION The use of non-genuine wheels will prevent the proper fit of the tire inflation pressure sensors, resulting air
leakage or damage of
the sensors.
General information
CAUTION Changes or modifica
tions not expressly
approved by the manufacturer for compli- ance could void the user
’s authority to oper-
ate the equipment.
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