ECU LEXUS RC300 2017 Owner's Guide

731-1. For safe use
1
For safety and security
Type A
Latch the hooks of the lower
straps onto the LATCH anchors.
For owners in Canada:
The symbol on a child restraint
system indicates the presence of
a lower connector system.
Type B
Latch the buckles onto the
LATCH anchors.
For owners in Canada:
The symbol on a child restraint
system indicates the presence of
a lower connector system.
If the child restraint has a top tether strap, follow the child restraint manu-
facturer’s operation manual regarding the installation, using the top tether
strap to latch onto the top tether strap anchor. ( →P. 76)
After installing the child restraint system, rock it back and forth to ensure
that it is installed securely.
Canada only
3
Canada only
3
4
5

751-1. For safe use
1
For safety and security
If the child restraint has a top tether strap, follow the child restraint manu-
facturer’s operation manual regarding the installation, using the top tether
strap to latch onto the top tether strap anchor. ( →P. 76)
After installing the child restraint system, rock it back and forth to ensure
that it is installed securely.
■Laws and regulations pertaining to anchorages
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMV SS213 or CMVSS213 specifications can be
used.
This vehicle is designed to conform to the SAE J1819.
WARNING
■When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Shake the child restraint syst em left and right, and forward and backward to ensure
that it has been securely installed.
●After securing a child restraint system, never adjust the seat.
●When using the LATCH anchors, be sure that there are no foreign objects around the
anchors and that the seat belt is not ca ught behind the child restraint system.
●Follow all installation instructions provided by the child restraint system manufacturer.
2
3

761-1. For safe use
■Anchor brackets (for top tether strap)
Anchor brackets are provided for the each rear seat.
Use anchor brackets when fixing the top tether strap.
■Fixing the top tether strap to the anchor bracket
Install the child restraint system in accordance to the operation manual
enclosed with the child restraint system.
RC350/RC300/RC200t:
Remove the head restraint if it
interferes with your child restraint
system. ( →P. 173)
Open the anchor bracket cover, latc h the hook onto the anchor bracket
and tighten the top tether strap.
Make sure the top tether strap is securely latched.
Using an anchor bracket (for top tether strap)
RC350/RC300/RC200tRC F
Top tether strap
Anchor brackets
Anchor brackets
Top tether strap
1
2
RC350/RC300/RC200tRC F
Hook
Top tether strapHook
Top tether strap

771-1. For safe use
1
For safety and security
■Laws and regulations pertaining to anchorages
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVSS213 or CMVSS213 specifications can be
used.
This vehicle is designed to conform to the SAE J1819.
WARNING
■When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Firmly attach the top tether strap and make sure that the belt is not twisted.
●Do not attach the top tether strap to anything other than the anchor bracket.
●Shake the child restraint syst em left and right, and forward and backward to ensure
that it has been securely installed.
●After securing a child restraint system, never adjust the seat.
●Follow all installation instructions provided by the child restraint system manufacturer.
NOTICE
■Anchor brackets (for top tether strap)
When not in use, make certain to close the lid. If it remains open, the lid may be dam-
aged.

79
1
For safety and security
1-2. Theft deterrent system
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled.
■System maintenance
The vehicle has a maintenance-free type engine immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key registered to the security system (key
with a built-in transponder chip) of another vehicle
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s on-
board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help preven t vehicle theft but does not guarantee
absolute security agai nst all vehicle thefts.

811-2. Theft deterrent system
1
For safety and security
RC F

831-2. Theft deterrent system
1
For safety and security
The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:
●A locked door or trunk is unlocked or opened in any way other than using the
entry function, wireless remote control or mechanical key. (The doors will lock
again automatically.)
●The hood is opened.
Close the doors, trunk and hood, and
lock both side doors. The system will be
set automatically after 30 seconds.
The indicator light changes from being
on to flashing when the system is set.
Do one of the following to de activate or stop the alarms:
●Unlock the doors or open the trunk.
●Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. (The alarm will be deactivat ed or stopped after a few seconds.)
Alarm
The alarm
Setting the alarm system
Deactivating or stopping the alarm

851-2. Theft deterrent system
1
For safety and security
These labels are attached to the vehicle
to reduce vehicle theft by facilitating
the tracing and recovery of parts from
stolen vehicles. Do not remove under
penalty of law.
Theft prevention labels (U.S.A.)

912. Instrument cluster
2
Instrument cluster
*1: These lights turn on when the engine switch is turned to IGNITION ON mode toindicate that a system check is being performed. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a system if a light does
not come on, or turn off. Have the ve hicle inspected by your Lexus dealer.
*2: The light flashes to indicate a malfunction.
The indicators inform the driver of the op erating state of the vehicle’s various sys-
tems.
Indicators
Turn signal indicator
( → P. 220)
(if equipped)
LDA (Lane Departure
Alert) indicator ( →P. 263)
(U.S.A.)
Headlight indicator
(→ P. 224)

(if equipped)
Intuitive parkin g assist indi-
cator ( →P. 270)
(Canada)
Tail light indicator
(→ P. 224) *1, 2 Slip indicator ( →P. 300)
Headlight high beam indi-
cator (→ P. 225)
*1VSC OFF indicator
(→ P. 301)
(if equipped)
Automatic High Beam indi-
cator (→ P. 227)*1, 8TRAC OFF indicator
(→ P. 300)
(if equipped)
Front fog light indicator
(→ P. 232)*1, 3
(if equipped)
Pre-collision system warn-
ing light
(→ P. 307)
Cruise control indicator
( → P. 245, 249)
*4, 6
(if equipped)
BSM (Blind Spot Monitor)
outside rear view mirror
indicators ( →P. 313)
(if equipped)
Dynamic radar cruise con-
trol indicator ( →P. 249)*7Security indicator
(→ P. 79, 83)
Cruise control “SET” indica-
tor (→ P. 245, 249)
*5Low outside temperature
indicator ( →P. 96, 102)

1383-1. Key information
■Card key (if equipped)
●The card key is not waterproof.
●The mechanical key that is stored inside the card key should be used only if a problem
arises, such as when the card key does not operate properly.
●If it is difficult to take out the mechanical key, push down the lock release button using a
pen tip etc. If it is still difficult to pull it out, use a coin etc.
■When required to leave the vehicle’s key with a parking attendant
Set the luggage security system ( →P. 148) on and lock the glove box ( →P. 452) as cir-
cumstances demand.
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only.
■If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using another
mechanical key and the key number stamped on your key number plate. Keep the plate
in a safe place such as your wallet, not in the vehicle.
■When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but-
tons on the electronic key while inside the airc raft cabin. If you are carrying an electronic
key in your bag etc., ensure that the button s are not likely to be pressed accidentally.
Pressing a button may cause the electronic key to emit radio waves that could interfere
with the operation of the aircraft.
●To store the mechanical key in the card key,
insert it while pressing the lock release button.
●If the battery cover is not installed and the bat-
tery falls out or if the battery was removed
because the key got wet, reinstall the battery
with the positive terminal facing the Lexus
emblem.