ECU TOYOTA SUPRA 2023 Owner's Guide

3145-1. MOBILITY
Charge the battery only when
the engine is off and via the
starting aid terminals, refer to
page 325, in the engine com-
partment.
After a power loss, some equip-
ment needs to be newly initial-
ized or individual settings
updated, for example:
Memory function: store the
positions again.
 Time: update.
 Date: update.
Maintain the battery in an
upright position for transport and storage. Secure the battery so
that it does not tip over during
transport.
The fuses are located at differ-
ent places in the vehicle.
The fuses are located in the
car's interior in the front passen-
ger floor area behind a cover.
Loosen fasteners, arrows, and
open cover.
The fuse box is located on the
front right.
Safety information
NOTICE
Battery chargers for the vehicle
battery can work with high volt-
ages and currents, which means
that the 12 volt on-board network
can be overloaded or damaged.
There is a risk of damage to prop-
erty. Only connect battery char-
gers for the vehi
cle battery to the
starting aid terminals in the
engine compartment.
Charging the battery
Power failure
Disposing of old batteries
Have old batteries dis-
posed of by your Toyota
dealer or take them to a
collection point.
Fuses
General information
Safety information
WARNING
Incorrect and repaired fuses can
overload electrical lines and com-
ponents. There is a risk of fire.
Never attempt to repair a blown
fuse. Do not replace a nonworking
fuse with a substitute of another
color or amperage rating.
In the car's interior

3195-1. MOBILITY
5
MOBILITY
Seat heating
Seat setting
Crash-security module
Switching center column,
Light switch element,
steering Operating panel
Audio
HiFi amplifier, Video mod-
ule TV
Rear-view mirror
Overhead function cen-
ter, Exterior door handle
electronics
Instrument cluster
Additional battery: Dual
Accumulator System
(DSS)
Fuel pump control elec-
tronics, Natural Vacuum
Leak Detection, Gas gen-
erator for battery safety
terminal, Remote control
receiver
Electric window opener
Heating and air-condi-
tioning system
Vehicle's diagnostic port
(interface)
SymbolMeaning
Interior lights in the boot
Vertical Dynamic platform
Vertical Dynamic platform
Vertical Dynamic platform
Mono Camera (Kafas)
Head Unit
Active Sound Design
USB Hub
Body Domain Controller
Controller (Toyota Supra
Command)
Electric fan (air cooler),
Controlled differential
lock
12 V socket, Cigarette
lighter
Interior lights in the boot
Door lock, Exterior door
handle electronics,
Telematic Communica-
tion Box
Electronic gear box con-
trol
SymbolMeaning

3265-1. MOBILITY
2Attach one terminal clamp of
the positive jumper cable to
the positive terminal of the
battery, or to the correspond-
ing starting aid terminal of the
vehicle providing assistance.
3 Attach the terminal clamp on
the other end of the cable to
the positive terminal of the
battery, or to the correspond-
ing starting aid terminal of the
vehicle to be started.
4 Attach one terminal clamp of
the negative jumper cable to
the negative terminal of the
battery, or to the correspond-
ing engine or body ground of
assisting vehicle.
5 Attach the second terminal
clamp to the negative termi-
nal of the battery, or to the
corresponding engine or
body ground of the vehicle to
be started.
Never use spray fluids to start
the engine.
1 Start the engine of the assist-
ing vehicle and let it run for
several minutes at an
increased idle speed.
2 Start the engine of the vehicle
that is to be started in the
usual way.
If the first starting attempt is not
successful, wait a few minutes
before making another attempt in order to allow the discharged bat-
tery to recharge.
3
Let both engines run for sev-
eral minutes.
4 Disconnect the jumper
cables in the reverse order.
Check the battery and recharge,
if needed.
Starting the engine
Tow-starting and towing
Safety information
WARNING
Due to system limits, individual
functions can malfunction during
tow-starting/towing with the Toy-
ota Supra Safety systems acti-
vated. There is a risk of an
accident. Switch all Toyota Supra
Safety systems off prior to
tow-starting/towing.
Manual transmission
Safety information
NOTICE
The vehicle can become dam-
aged when lifting and securing it.
There is a risk of damage to prop-
erty.
●Lift the vehicle using suitable
means.
●Do not lift or secure the vehicle
by its tow fitting, body parts, or
suspension parts.

3275-1. MOBILITY
5
MOBILITY
A broken-down vehicle can be
towed or pushed.
Follow the following instructions:
Make sure that the standby
state isswitched on; other-
wise, the low beams, tail
lights, turn signals, and wipers
may be unavailable.
 Do not tow the vehicle with
the rear axle tilted, as the
front wheels could turn.
 When the engine is stopped,
there is no power assistance.
Consequently, more effort
needs to be applied when
braking and steering.
 Larger steering wheel move-
ments are required.
 The towing vehicle must not
be lighter than the vehicle
being towed; otherwise, it will
not be possible to control han-
dling.
 Do not exceed a towing
speed of 30 mph/50 km/h.
 Do not exceed a towing dis-
tance of 30 miles/50 km.
Additional information:
Rolling or pushing the vehicle,
refer topage 130. The vehicle should only be
transported on a loading plat-
form.
The vehicle is not permitted to
be towed.
Towing or pushing the vehi-
cle
Tow truck
Automatic transmission:
transporting the vehicle
General information
Safety information
NOTICE
The vehicle can be damaged
when towing the vehicle with a
single lifted axle. There is a risk of
damage to property. The vehicle
should only be transported on a
loading platform.
NOTICE
The vehicle can become dam-
aged when lifting and securing it.
There is a risk of damage to prop-
erty.
●Lift the vehicle using suitable
means.

3285-1. MOBILITY
To remove a broken-down vehi-
cle from the hazardous area,
push it for a short distance at a
speed of no more than 6 mph/10
km/h.
For rolling or pushing the vehi-
cle, refer to page 133.
The vehicle should only be
transported on a loading plat-
form.
Switch on the hazard warning
system, depending on local reg-
ulations.
If the electrical system has
failed, clearly identify the vehicle
being towed by placing a sign or a warning triangle in the rear
window.
The tow fittings used should be
on the same side on both vehi-
cles.
Should it prove impossible to
avoid mounting the tow bar at
an offset angle, please follow
the following:

Maneuvering capability is lim-
ited going around corners.
 The tow bar will generate lat-
eral forces if it is secured with
an offset.
NOTICE
●Do not lift or se cure the vehicle
by its tow fitting, body parts, or
suspension parts.
Pushing the vehicle
Tow truck
Towing other vehicles
General information
Safety information
WARNING
If the approved gross vehicle
weight of the towing vehicle is
lighter than the vehicle to be
towed, the tow fitting can tear off
or it will not be possible to control
the vehicle's response. There is a
risk of an accident. Make sure
that the gross v ehicle weight of
the towing vehicle is heavier than
the vehicle to be towed.
NOTICE
If the tow bar or tow rope is
attached incorrectly, damage to
other vehicle pa rts can occur.
There is a risk of damage to prop-
erty. Correctly a ttach the tow bar
or tow rope to the tow fitting.
Tow bar

3365-1. MOBILITY
Dirty belt straps impede the reel-
ing action and thus have a neg-
ative impact on safety.
Use only a mild soapy solution
for cleaning the installed belt
straps.
Safety belts should only be
allowed to retract if they are dry.
The floor mats can be removed
from the car's interior for clean-
ing.
If the floor carpets are very dirty, clean with a microfiber cloth and
water or a textile cleaner. To
prevent matting of the carpet,
rub back and forth in the direc-
tion of travel only.
To clean sensors and camera
lenses, use a cloth moistened
with a small amount of glass
detergent.
Use a dry, clean antistatic micro-
fiber cloth.
Clean the protective glass of the
Head-up Display, refer to page
154, using a microfiber cloth and
commercially available
dish-washing soap.
Safety belts
WARNING
Chemical cleansers can destroy
the safety belt webbing. Missing
protective effect of the safety
belts. There is a ri
sk of injuries or
danger to life. Use only a mild
soapy solution for cleaning the
safety belts.
Carpets and floor mats
WARNING
Objects in the dri ver's floor area
can limit the peda l distance or
block a depressed pedal. There is
a risk of an accident. Stow objects
in the vehicle such that they are
secured and cannot enter into the
driver's floor area. Use floor mats
that are suitable for the vehicle
and can be safely attached to the
floor. Do not use loose floor mats
and do not layer several floor
mats. Make sure that there is suf-
ficient clearance for the pedals.
Ensure that the floor mats are
securely fastened again after they
were removed, fo r instance for
cleaning.
Sensors and camera lenses
Displays, screens, and pro-
tective glass of the Head-up
Display
NOTICE
Chemical cleansers, moisture or
fluids of any kind can damage the
surface of display s and screens.
There is a risk of damage to prop-
erty. Clean with a clean, antistatic
microfiber cloth.
NOTICE
The surface of displays can be
damaged with improper cleaning.
There is a risk of damage to prop-
erty. Avoid pressure that is too
high and do not use any scratch-
ing materials.

361Alphabetical Index
Being towed, see Tow-starting and towing ............................ 326
Belts, see Safety belts ........... 103
Beverage holder, see Cup hold- ers .......................................... 252
Blind spot monitor ................. 191
Bluetooth connection .............. 72
Bottle holder, see Cup holders ............................................... 252
Brake assist ............................ 199
Brake assist, adaptive ........... 199
Brake discs, breaking in, see Brake system ........................ 259
Brake lights, see Lights and bulbs...................................... 312
Brake pads, breaking in, see Brake system ........................ 259
Brake system .......................... 259
Brake, Fluid ............................. 342
Braking, information .............. 261
Break recommendation, see Driver attention control ....... 197
Breakdown assistance .. 322, 323
Break-in ................................... 258
Brightness, Control Display .... 65
Bulb replacement, see Lights and bulbs .............................. 312
Bulbs, replacing, see Lights and bulbs...................................... 312
Button, SOS, see Intelligent emergency call ..................... 323
Button, Start/Stop................... 119
Buttons on the steering wheel 38
Bypassing, see Jump-starting ............................................... 325
C
Cable for tow-starting/towing 329
California Proposition 65 Warn-ing .............................................. 6
Calling up mirror adjustment .. 94
Calling up seat adjustment...... 94 Calling up steering wheel adjust-
ment .........................................94
Camera lenses, care ...............336
Camera, rearview camera ......225
Camera-based assistance sys- tems, see Toyota Supra Safety...............................................176
Camera-based cruise control, see Dynamic ra dar cruise con-
trol with full-speed range .....209
Cameras, see Sensors of the vehicle .....................................42
Can holder, see Cup holders .252
Car seats, see Transporting chil- dren safely............................. 114
Car wash..................................331
Car washing ............................330
Care of displays, screens ......337
Care, Head-up Display ...........337
Care, see Washing the vehicle ...............................................330
Care, vehicle ...........................332
Cargo area ...............................253
Cargo area, loading, see Stowing and securing cargo ..............254
Cargo straps, see Lashing eyes in the cargo area ...................254
Cargo, stowing and securing 254
Carpet, care .............................336
CarPlay, connection to the vehi- cle ............................................76
Catalytic converter, see Hot exhaust gas system .............259
CBS Condition Based Service ...............................................309
CC, see Cruise cont rol ...........205
Center console..........................40
Central locking system ............88
Central screen, see Control Dis- play ..........................................51
Changes, technical, see For Your Own Safety ................................5

369Alphabetical Index
RES CNCL button, see Dynamic radar cruise control with
full-speed range ................... 209
Reserve warning, see Range 146
Reset, Tire Pressure Monitor TPM........................................ 291
Retreaded tires ....................... 280
Reversing lights, bulb replace- ment, see Lights and bulbs . 312
Roadside Assistance, see Break- down assistance .................. 323
Roadside parking lights......... 158
Rolling code hand-held transmit- ter........................................... 243
RON recommended fuel grade ............................................... 301
Roof load capacity ................. 341
Roofliner ................................... 41
Rope for tow-starting/towing 329
Rubber components, care ..... 335
S
Safe braking ............................ 261
Safety belt warni ng for driver's
seat and front passenger seat ............................................... 107
Safety belts ............................. 103
Safety belts, care .................... 336
Safety systems, see Airbags . 164
Safety systems, see Toyota Supra Safety ......................... 176
Saving fuel .............................. 263
Screen Mirroring, connection . 77
Screen, see Control Display .... 51
Screwdriver, see Onboard vehi- cle tool kit ............................. 311
Sealant, see Mobility System 282
Seat heating ............................ 112
Seat, see Memory function .... 111
Seating position for children. 114
Seats, front ............................... 99
Securing cargo ....................... 254 Selection list in i
nstrument clus-
ter ...........................................148
Selector lever, Automatic trans- mission ..................................131
Sensors of the vehicle .............42
Sensors, care ..........................336
Service and warranty .................7
Service requirements .............147
Service requirements, see Condi- tion Based Service CBS .......309
SET button, see Cruise control ...............................................205
SET button, see D ynamic radar
cruise control with full-speed
range ......................................209
Set speed, see Dynamic radar cruise control with full-speed
range ......................................209
Settings on Control Display ....63
Settings, locking/unlocking .....93
Shift lever Manual transmission ............130
Shift paddles on the steering wheel .....................................131
Side airbag ..............................164
Side protection .. .....................223
Signaling, horn .........................38
Signals when unlocking, see Confirmation si gnals from the
vehicle .....................................94
Sitting safely .............................99
Sizes, see Dimensions ...........340
Smallest turning radius..........340
SMS text message, supplemen- tary .........................................140
Snow chains............................287
Socket for OBD Onboard Diagno- sis ..........................................309
Sockets ....................................245
SOS button, see Intelligent emer- gency call ..............................323

370Alphabetical Index
Special equipment, see Vehicle features and options ................ 4
Speed Limit Assist ................. 218
Speed limit display, see Speed Limit Info ............................... 203
Speed Limit Info ..................... 203
Sport chassis/suspension, see Adaptive variable suspension............................................... 231
Sport displays ........................ 152
Sport mode switch ................. 136
Sport program, Automatic trans- mission.................................. 131
SPORT, see Sport mode switch ............................................... 136
Stability control systems ....... 199
Standard equipment, see Vehicle features and options ................ 4
Standard view, Head-up Display ............................................... 154
Standby state, idle state and drive-ready state .................... 46
Start/Stop button .................... 119
Start/stop, automatic function119
Status control display, tires .. 290
Status information, Toyota Supra Command................................ 50
Status of Owner's Manual ......... 5
Status, vehicle ........................ 153
Steering wheel, adjusting ...... 110
Steering wheel, buttons ........... 38
Steering wheel, see Memory function ................................. 111
Steptronic Sport transmission, see Automatic transmission 131
Storage compartments, locations ............................................... 251
Storage, tires .......................... 281
Storing the vehicle ................. 337
Stowing and securing cargo . 254
Straps for cargo, see Lashing eyes in the cargo area ......... 254 Summer tires, tread ................278
Sun visor .................................245
Supplementary SMS text mes-
sage .......................................140
Suspension settings, see Sport mode switch ..........................136
Switch for driving dynamics, see Sport mode switch ...............136
Switches, see Cockpit ..............38
Symbols and displays ................4
T
Tail lights, see Lights and bulbs ...............................................312
Technical changes, see For Your Own Safety ................................5
Technical data .........................340
Temperature display, see Exter- nal temperature... ..................146
Temperature, automatic air con- ditioning ................................234
Temperature, engine oil .........146
Theft alarm syste m, see Alarm
system .....................................95
Tilt alarm sensor .......................96
Tilt, backrest ...........................102
Tilting the passenger's side mir- ror, see Automatic Curb Moni-
tor, exterior mirror ................ 110
Time ...........................................63
Tire brands, recommended ...280
Tire damage ............................278
Tire identification marks ........276
Tire inflation pres sure ............270
Tire pressure ...........................270
Tire Pressure Monitor TPM ....287
Tire repair kit, s ee Mobility Sys-
tem .........................................282
Tire sealant, se e Mobility System
...............................................282
Tire settings ............................288
Tire tread .................................278