2017 Lexus CT200h alarm

CT200h_OM_OM76215U_(U)
1173-2. Opening, closing and locking the doors
3
Operation of each component
■Alarms and warning messages
An alarm sounds and warning message displa ys shown on the multi-information display
are used to protect against unexpected acci dents or theft of the vehicle resulting from
erroneous operation. When a warning messag e is displayed, take appropriate measures
based on the displayed message. ( P. 5 4 2 )
When only an alarm sounds, circumstances and correction procedures are as follows.
■Battery-saving function
The battery-saving function will be activated in order to prevent the electronic key bat-
tery and the 12-volt battery from being discha rged while the vehicle is not in operation
for a long time.
●In the following situations, the smart access system with push-button start may take
some time to unlock the doors.
• The electronic key has been left in an area of approximately 6 ft. (2 m) of the outside
of the vehicle for 10 minutes or longer.
• The smart access system with push-butto n start has not been used for 5 days or
longer.
●If the smart access system with push-butto n start has not been used for 14 days or
longer, the doors cannot be unlocked at any doors except the driver’s door. In this case,
take hold of the driver’s door handle, or us e the wireless remote control or the mechan-
ical key, to unlock the doors.
■Conditions affe cting operation
The smart access system with push-button star t, wireless remote control and immobilizer
system use weak radio waves. In the followi ng situations, the communication between the
electronic key and the vehicle may be affected, preventing the smart access system with
push-button start, wireless remote control and immobilizer system from operating prop-
erly. (Ways of coping: P. 566)
●When the electronic key battery is depleted
●Near a TV tower, electric powe r plant, gas station, radio station, large display, airport or
other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular ph one, cordless phone or other wireless com-
munication devices
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
secondsAn attempt was made to lock
the vehicle while a door was
open.Close all of the doors and
lock the doors again.
Interior alarm pings
repeatedly
The power switch was turned to
ACCESSORY mode while the
driver’s door was open (The
driver’s door was opened when
the power switch was in
ACCESSORY mode).
Tu r n t h e p o w e r s w i t c h o f f
and close the driver’s door.

CT200h_OM_OM76215U_(U)
1193-2. Opening, closing and locking the doors
3
Operation of each component
●If the electronic key is insi de the vehicle and a door handle becomes wet during a car
wash, a message may be shown on the multi-information display and a buzzer will
sound outside the vehicle. To turn off the alarm, lock all the doors.
●The lock sensor may not work properly if it comes into contact with ice, snow, mud, etc.
Clean the lock sensor and attempt to operate it again, or use the lock sensor on the
lower part of the door handle.
●A sudden approach to the effective range or door handle may prevent the doors from
being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.
●If there is another electronic key in the detection area, it may take slightly longer to
unlock the doors after the door handle is gripped.
●Fingernails may scrape against the door duri ng operation of the door handle. Be care-
ful not to injure fingernails or damage the surface of the door.
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle.
●The smart access system with push-button start can be deactivated in advance.
(  P. 5 9 8 )
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when op erating the system from the outside of the
vehicle.
Depending on the position and holding condition of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prevention may not operate.)
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors: Use the mechanical key. (P. 566)
●Starting the hybrid system: P. 5 6 7
■Customization
Settings (e.g. smart access system with push-button start) can be changed.
(Customizable features: P. 5 9 8 )
■If the smart access system with push-butto n start has been deactivated in a customized
setting
●Locking and unlocking the doors:
Use the wireless remote control or mechanical key. ( P. 107, 566)
●Starting the hybrid system and changing power switch modes: P. 5 6 7
●Stopping the hybrid system: P. 1 6 0

246
CT200h_OM_OM76215U_(U)4-5. Using the driving support systems
WA R N I N G
■Cautions regarding the assist contents of the system
By means of alarms and brake control, the pre-
collision system is intended to assist the
driver in avoiding collisions through the process of LOOK-JUDGE-ACT. There are
limits to the degree of assistance the system can provide, so please keep in mind the
following important points.
●Assisting the driver in watching the road
The pre-collision system is only able to detect obstacles directly in front of the vehicle,
and only within a limited range. It is not a mechanism that allows careless or inatten-
tive driving, and it is not a system that can assist the driver in low-visibility conditions. It
is still necessary for the driver to pay cl ose attention to the vehicle’s surroundings.
●Assisting the driver in making correct judgement
When attempting to estimate the possibility of a collision, the only data available to
the pre-collision system is that from obstacle s it has detected directly in front of the
vehicle. Therefore, it is absolutely necess ary for the driver to remain vigilant and to
determine whether or not there is a possib ility of collision in any given situation.
●Assisting the driver in taking action
The pre-collision system’s braking assist feat ure is designed to help reduce the sever-
ity of a collision, and so only acts when the system has judged that a collision is
unavoidable. This system is not capable of automatically avoiding a collision or bring-
ing the vehicle to a stop safely without appropriate operations performed by the
driver. For this reason, when encountering a dangerous situation the driver must take
direct and immediate action in order to ensure the safety of all involved.
■When the sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary in any of the following situations.
●When water or snow thrown up by the surrounding vehicles hinders the functioning
of the sensor
●When your vehicle is pointing upwards (caused by a heavy load in the luggage com-
partment etc.)
●Vehicles that cut in suddenly
●Vehicles with small rear ends (trailers with no load on board etc.)
●Motorcycles traveling in the same lane
■Handling the radar sensor
Observe the following to ensure the pre-collision system can function effectively:
●Keep the sensor and front grille cover clean at all times.
Clean the sensor and front grille cover with a soft cloth so you do not mark or dam-
age them.
●Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off posi tion, the system may become inaccurate or
malfunction. If the sensor or surrounding area is subject to a strong impact, always
have the area inspected and adjusted by your Lexus dealer.
●Do not disassemble the sensor.
●Do not attach accessories or stickers to the sensor, grille cover or surrounding area.
●Do not modify or paint the sensor and grille cover.
●If the sensor needs to be replaced, contact your Lexus dealer.

5678-2. Steps to take in an emergency
CT200h_OM_OM76215U_(U)
8
When trouble arises
Depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the power switch.
If any of the doors is opened or closed
while the key is being touched to the
switch, an alarm will sound to indicate
that the start function cannot detect the
electronic key.
Press the power switch within 10 second s of the buzzer sounding, keeping the
brake pedal depressed.
In the event that the hybrid system st ill cannot be operated, contact your Lexus
dealer.
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the power switch as you nor-
mally do when stopping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( P. 5 0 9 )
■Changing power switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the power
switch.
The hybrid system does not start and mode s will be changed each time the switch is
pressed. ( P. 1 6 0 )
Starting the hybrid system
1
2
WA R N I N G
■When using the mechanical key and operating the power windows
Operate the power window after checking to make sure that there is no possibility of
any passenger having any of their body parts caught in the window.
Also, do not allow children to operate the mech anical key. It is possible for children and
other passengers to get caught in the power window.
3

568
CT200h_OM_OM76215U_(U)8-2. Steps to take in an emergency
If the 12-volt battery is discharged
If you have a set of jumper (or booster)
cables and a second vehicle with a 12-volt
battery, you can jump start your vehicle by following the steps below.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depending on the situa-
tion, the alarm may activate and doors
locked. ( P. 7 9 )
Open the hood ( P. 4 8 0 ) a n d f u s e
box cover.
Open the exclusive jump starting
terminal cover.
The following procedures may be used to start the hybrid system if the vehi-
cle’s 12-volt battery is discharged.
You can also call your Lexus dealer or a qualified repair shop.
1
2
3

620What to do if... (Troubleshooting)
CT200h_OM_OM76215U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 5 3 7 )
●The parking brake indicator is on
Is the parking brake released? ( P. 171)
Depending on the situation, other type s of warning buzzer may also sound.
( P. 5 3 5 , 5 4 2 )
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 7 8 )
To stop the alarm, turn the power switch to ON mode or start the hybrid system.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 5 4 2 )
●When a warning light turns on or a warning message is displayed, refer to
P. 5 3 5 , 5 4 2 . A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

622Alphabetical index
CT200h_OM_OM76215U_(U)
Alphabetical index
A/C .................................................. 414, 422Air conditioning filter....................... 507
Automatic air conditioning system ........................................414, 422
Micro dust and pollen filter ............................................. 418, 424
ABS (Anti-lock Brake System)....... 238 Function ................................................. 238
Warning light ...................................... 536
Air conditioning filter .......................... 507
Air conditioning system ........... 414, 422 Air conditioning filter....................... 507
Automatic air conditioning system ........................................414, 422
Micro dust and pollen filter ............................................. 418, 424
Airbags ........................................................ 40 Airbag operating conditions ........... 45
Airbag precautions for your child .......................................................... 42
Airbag warning light ........................ 536
Correct driving posture .................... 32
Curtain shield airbag operating conditions........................ 46
Curtain shield airbag precautions ........................................... 43
Front passenger occupant classification system ......................... 49
General airbag precautions............ 42 Locations of airbags............................ 40
Modification and disposal of
airbags .................................................... 45
Side airbag operating conditions ............................................. 46
Side airbag precautions .................... 43
Side and curtain shield airbags operating conditions ....................... 46
Side and curtain shield airbags precautions .......................................... 43
SRS airbag instructions for Canadian owners ........................... 610
SRS airbags ............................................. 40
Alarm ............................................................78 Alarm .......................................................... 78
Warning buzzer.................................535
Anchor brackets...................................... 58
Antenna Radio ............................... 266, 348, 466
Smart access system with push-button start..................... 116
Anti-lock brake system (ABS)........ 238 Function .................................................. 238
Warning light .......................................536
Approach warning ................................ 196
Assist grips ...............................................446
Audio system (with navigation system)
*
A

634Alphabetical index
CT200h_OM_OM76215U_(U)
SwitchAudio remote control switches .................................. 258, 329
Cruise control switch..............189, 192
“DISP” switch ..........................................90
Door lock switch ................................. 109
Driving mode select switch .......... 237
Driving position memory switches ................................................ 126
Emergency flashers switch .......... 528
EV drive mode switch ...................... 163
Fog light switch .................................... 175
Garage door opener switches ............................................... 447
Headlight cleaner switch ................ 185
Heated steering wheel ....................429
Ignition switch ....................................... 159
Intuitive parking assist switch ...... 205
Light switches ........................................ 172
Moon roof switches............................142
Outside rear view mirror switches .................................................137
Pre-collision braking off switch.................................................... 242
Power switch......................................... 159
Power window switch ...................... 139
Rear window wiper and washer switch.................................... 183
Rear window and outside rear view mirror
defoggers switch ................. 418, 424 Seat heater switches ........................ 429
“SOS” button .......................................460
Talk switch.................... 295, 384, 404
Telephone switches..............295, 384
Tire pressure warning reset
switch ................................................... 496
TRAC OFF switch ............................ 239
Vehicle-to-vehicle distance button ..................................................... 192
Window lock switch ..........................139
Windshield wipers and washer switch .................................... 177
Tachometer ............................................... 86
Tail lights Light switch............................................. 172
Replacing light bulbs ....................... 524
Talk switch........................ 295, 384, 404
Telephone switch ......................295, 384
Theft deterrent system Alarm .......................................................... 78
Immobilizer system...............................76
Tire inflation pressure Maintenance data..............................583
Warning light ....................................... 537
Tire pressure warning system Function .................................................. 496
Initializing ............................................... 496
Installing tire pressure warning valves and transmitters................ 496
Registering ID codes ....................... 497
Tire pressure warning reset switch ................................................... 496
Warning light ....................................... 537
T