2018 LEXUS RCF stop start

TABLE OF CONTENTS
6
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)7-1. Essential information
Emergency flashers .................. 442
If your vehicle has
to be stopped in
an emergency .......................... 443
7-2. Steps to take in
an emergency
If your vehicle needs
to be towed ............................... 444
If you think something is
wrong.............................................451
Fuel pump shut off system ...... 452
If a warning light turns on
or a warning buzzer
sounds ......................................... 453
If a warning message is
displayed .................................... 460
If you have a flat tire
(vehicles with a
spare tire) ................................... 489
If you have a flat tire
(vehicles with
an emergency
tire puncture repair kit) ........ 502
If the engine will not start ..........516
If the electronic key does
not operate pr operly .............. 518
If the vehicle battery is
discharged ................................. 522
If your vehicle overheats......... 526
If the vehicle becomes
stuck ............................................. 532 8-1. Specifications
Maintenance data
(fuel, oil level, etc.) .................. 536
Fuel information ......................... 554
Tire information .......................... 557
8-2. Customization
Customizable features ............ 569
8-3. Items to initialize
Items to initialize......................... 578
8-4. Certifications
Certifications ............................... 579
Reporting safety defects for
U.S. owners ...............................600
Seat belt instructions for
Canadian owners
(in French) .................................. 601
SRS airbag instructions for
Canadian owners
(in French) ................................. 6037
When trouble arises 8
Vehicle specifications
9
For owners

18 Pictorial index
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■ Instrument panel
Engine switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 207Starting the engine/changing the mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 207
Emergency stop of the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 443
When the engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 516
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 483
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 213Changing the shift position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 213
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 444
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 219
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 91, 96Reading the meters/adjusting the instrument panel lights . . . . . . . . . . . . P. 91, 96
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 84
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 453 1
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3

331-1. For safe use
1
For safety and security
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Make sure that you can see backward clea rly by adjusting the inside and outside
rear view mirrors properly. (  P. 176, 178)
Adjusting the mirrors WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.●
Do not adjust the position of the driver’s seat while driving.
Doing so could cause the driver to lose control of the vehicle. ●
Do not place a cushion between the dr iver or passenger and the seatback.
A cushion may prevent correct posture from being achieved, and reduce the effec-
tiveness of the seat be lt and head restraint.●
Do not place anything under the front seats.
Objects placed under the fr ont seats may become jammed in the seat tracks and stop
the seat from locking in plac e. This may lead to an accident and the adjustment mech-
anism may also be damaged. ●
Always observe the legal speed limi t when driving on public roads.●
When driving over long distances, take regular breaks before you start to feel tired.
Also, if you feel tired or sleepy while drivin g, do not force yourself to continue driving
and take a break immediately.

79 1
For safety and security
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 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 vehicleEngine immobilizer system The vehicle’s keys have built-in tran sponder 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.
NOTICE ■
To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation of
the system cannot be guaranteed.

80 1-2. Theft deterrent system
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)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 is unlocked or opened in any way other than using the entry
function, wireless remote control or mech anical key. (The doors will lock again
automatically.) ●
The trunk is opened in any way other th an using the entry function or wireless
remote control. ●
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. ●
Open the trunk using the entry func tion or wireless remote control.●
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.)■
System maintenance
The vehicle has a maintenance-free type alarm system. ■
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing: ●
Nobody is in the vehicle. ●
The windows and moon roof (if equipped) are closed before the alarm is set. ●
No valuables or other personal items are left in the vehicle.Alarm The alarm
Setting the alarm system
Deactivating or stopping the alarm

124 2. Instrument cluster
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Lap timer
Measures and displays current la p time and previous lap times●
Reading the display
Measured lap times since the timer was last reset are displayed as follows:
• Content display area
Total lap time
Past lap times
Fastest lap (marked with a star)
• Sub-content display area
Current lap time
Most recent lap time
●
Operating the meter control switches
Press: Start/stop lap timer
Press and hold: Reset
: Mark off one lap
: Change displayed
contentWhile a lap time is being mea-
sured, the display can be changed
to show the following content:
• Torque distribution (if equipped)
•G-force
• Tire pressure
• Rear wing position●
Resetting/saving measured lap times
After stopping the lap timer, press and hold .
When a confirmation screen is displa yed, select to reset/save the mea-
sured lap times. When saved, the lap time data will be displayed on the history screen. (  P. 125)“F” content
Content display area
Sub-content display area1
2
3
4
5
1
2

132 2. Instrument cluster
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Odometer
Displays the total distance the vehicle has been driven. ■
Trip meter A/trip meter B
Displays the distance the vehicle has been driven since the meter was last
reset. Trip meters A and B can be used to record and display different dis-
tances independently. To reset, display the desired trip meter and press and hold the odometer/trip meter
and trip meter reset button.■
Eco Driving Indicator
Eco Driving Indicator will not operate under the following conditions: ●
The shift lever is in any position other than D. ●
A paddle shift swit ch is operated.●
Neither normal mode nor Eco drive mode is selected. (  P. 301)●
The vehicle speed is approximatel y 80 mph (130 km/h) or higher.■
Start-up display
When the engine is started, the name of the vehicle is displayed on the multi-information
display.
While the start-up display is being displaye d, the meter display cannot be changed even
if the drive mode is changed. When the start- up display is finished, the meter display for
the currently selected mode will be displayed.■
Torque distribution display (if equipped)
Torque distribution may not be displayed correctly in some ca ses, such as when the vehi-
cle passes over road expansion joints.Odometer/trip meter display
During Eco-friendly acceleration (Eco driving),
the Eco Driving Indicator Light will turn on.
When the acceleration exceeds the Zone of
Eco driving, or when the vehicle is stopped, the
light turns off.

1433-1. Key information
3
Operation of each component
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)■
Electronic key battery depletion ●
The standard battery life is 1 to 2 years. (The card key battery life is about a year and a
half.) ●
If the battery becomes low, an alarm will soun d in the cabin when the engine is stopped.
(  P. 485) ●
As the electronic key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indi cate that the elec-
tronic key battery may be depleted. Replace the battery when necessary. (  P. 427)
• The smart access system with push-button start or the wireless remote control does
not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on. ●
To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the
following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
•Table lamps
• Induction cookers ■
Replacing the battery
 P. 427 ■
Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details. ■
If a wrong key is used
The key cylinder rotates freely, isol ated from the internal mechanism.