Lexus CT200h 2012 Owner's Manual (in English)

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569
5-1. Essential information
When trouble arises
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NOTICE
To prevent damaging the vehicle
When raising the vehicle, ensure adequate ground clearance for towing at
the opposite end of the raised vehicle. Without adequate clearance, the vehi-
cle could be damaged while being towed.
To prevent causing serious damage to the hybrid transmission when towing
using a wheel-lift type truck
Never tow this vehicle from the rear with the front wheels on the ground.
To prevent body damage when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
To prevent causing serious damage to the hybrid transmission in emergency
towing
Never tow a vehicle from the rear with four wheels on the ground. This may
cause serious damage to the hybrid transmission.

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5-1. Essential information
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If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional as soon
as possible.
Visible symptoms
Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is nor-
mal.)
Flat-looking tires or uneven tire wear
High coolant temperature warning light flashes or comes
on.
Audible symptoms
Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Pinging or other noises related to the hybrid system
Operational symptoms
Engine missing, stumbling or running roughly
Appreciable loss of power
Vehicle pulls heavily to one side when braking
Vehicle p lls hea il to one side hen dri ing on a le el

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When trouble arises
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5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds
Stop the vehicle immediately. Continuing to drive the vehicle may
be dangerous.
The following warning indicates a possible problem in the brake
system. Immediately stop the vehicle in a safe place and contact
any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
*: Brake system warning buzzer:
When there is a possible problem that could affect braking perfor-
mance, the warning light will come on and a warning buzzer will
sound.
Parking brake engaged warning buzzer:
P. 5 8 4
Warning lightWarning light/Details
Brake system warning light and warning buzzer (red
indicator)
*
• Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then goes off,
this does not necessarily indicate a malfunction in the system. How-
ever, if this continues to occur, have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and

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5-2. Steps to take in an emergency
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Stop the vehicle immediately.
The following warning indicates the possibility of damage to the
vehicle that may lead to an accident. Immediately stop the vehicle
in a safe place and contact any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging sys-
tem
Low engine oil pressure warning light
Indicates that the engine oil pressure is too low
High coolant temperature warning light
Changes from a flashing to a solid light when the
engine coolant temperature increases

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573
5-2. Steps to take in an emergency
When trouble arises
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Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional imme-
diately.
Failure to investigate the cause of the following warnings may lead
to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
immediately.
Warning lightWarning light/Details
Malfunction indicator lamp
Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system; or
• The electronic throttle control system
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS system

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5-2. Steps to take in an emergency
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Warning lightWarning light/Details
(Flashes)
Pre-crash safety system warning light (if equipped)
Indicates a malfunction in the pre-crash safety system
The warning light will operate as follows, even when
the system is not malfunctioning:
• The light will flash quickly when the system is oper-
ating. (P. 299)
• The light will turn on when the pre-crash braking is
disabled. (P. 300)
• The light will turn on when the system cannot tempo-
rarily be used. (P. 589)
Slip indicator light
Indicates a malfunction in:
• Vehicle stability control;
• Traction control;
• Hill-start assist control
Brake system warning light (yellow indicator)
Indicates a malfunction in:
• The regenerative brake system; or
• The electronically controlled brake system
Automatic headlight leveling system warning light (if
equipped)
Indicates a malfunction in the automatic headlight lev-
eling system

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5-2. Steps to take in an emergency
When trouble arises
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Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light goes off.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door is not fully
closed
Check that all the
doors are closed.
Low fuel level warning light
Indicates remaining fuel is
approximately 6.8 L (1.8 gal.,
1.5 Imp.gal.) or less
Refuel the vehicle.
Seat belt reminder light
(warning buzzer)
*2
Warns the driver and/or front
passenger to fasten their seat
belts.
Fasten the seat belt.
If the front passen-
ger’s seat is occu-
pied, the front
passenger’s seat
belt also needs to be
fastened to make
the warning light
(warning buzzer)
off.
Master warning light
The warning light comes on
and flashes to indicate that the
master warning system has
detected a malfunction.
P. 5 7 8

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5-2. Steps to take in an emergency
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*1:Open door warning buzzer:
P. 582
*2:Driver’s and front passenger’s seat belt buzzer:
The driver’s and front passenger’s seat belt buzzer sounds to alert the
driver and front passenger that his or her seat belt is not fastened. The
buzzer sounds for 30 seconds after the vehicle reaches a speed of 20 km/
h (12 mph). Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for 90 more seconds.
Front passenger detection sensor, seat belt reminder and warning buzzer
If luggage is placed on the front passenger seat, the front passenger
detection sensor may cause the warning light to flash and the warning
buzzer to sound even if a passenger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient of the voltage tempo-
rarily drops, the electric power steering system warning light may come on
and the warning buzzer may sound.

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5-2. Steps to take in an emergency
When trouble arises
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If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes com-
pletely empty. If the fuel tank is empty, refuel the vehicle immediately. The
malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional as soon as possible.
Customization that can be configured at any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 667)
However, Lexus recommends that the seat belt reminder buzzer be opera-
tional to alert the driver and front passenger when seat belts are not fastened.
CAUTION
If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional. The vehicle will become extremely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold
firmly and operate using more force than usual.

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5-2. Steps to take in an emergency
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If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and
perform the following actions:
Master warning light
The master warning light also
comes on or flashes in order
to indicate that a message is
currently being displayed on
the multi-information dis-
play.
Multi-information display
If any of the warning light comes on again after the following
actions have been performed, contact any authorized Lexus
dealer or repairer, or another duly qualified and equipped profes-