2021 TOYOTA MIRAI Owners Manual (in English)

47
LANE DEPARTURE ALERT
LDA function display
Operation display
of steering wheel
operation supportLDA indicator
Lane markers/road edge
(2)
(1)
Lane Departure Alert (LDA) indicator flashes orange when operating.
The LDA function displays when the Multi-Information Display (MID) is
switched to the driving assist system information screen.
(1) The system displays solid white lines on the LDA indicator when vi\
sible lane markers or the road are detected. A side flashes orange to alert the dri\
ver when
the vehicle deviates from its lane.
(2) The system displays outlines on the LDA indicator when lane marker\
s or the road are not detected or the function is temporarily canceled.
Note: When operation conditions are no longer met, a function may be
temporarily canceled. However, when the operation conditions are met again,
operation of the function is automatically restored. For example, LDA may not
function on the side(s) where white/yellow lines are not detectable.
OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES

48
ADJUSTING LDA ALERT SENSITIVITY
DISABLING STEERING ASSIST
The driver can adjust the sensitivity of the LDA (warning) function fr\
om the
Multi-Information Display (MID) customization screen.High - Is designed to warn approximately before the front
tire crosses the lane marker.
Normal - Is designed to warn approximately when the front
tire crosses the lane marker.
(1) Press “
” switches and select “” from the Multi-Information Display (MID).
(2) Press “
” switches and select “LDA” and then press “.” The setting screen
is displayed.
(3) Press “
” switches and select “Alert sensitivity” and then press “” to select
desired setting.
(4) Press “
” to go back to the menu.
(1) Press “
” switches and select “” from the Multi-Information Display (MID).
(2) Press “
” switches and select “LDA” and then press “.” The setting screen
is displayed.
(3) Press “
” switches and select desired setting and then press “.”
(4) Press “
” to go back to the menu.
Note: Operation of the LDA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.
TOYOTA SAFETY SENSE™
SWAY WARNING SYSTEM
SWS is a function of LDA and is designed to detect swaying based on the \
vehicle
location in the lane and the driver’s steering wheel operation. To he\
lp prevent
swaying, the system alerts the driver using a buzzer sound and a warning\
display
on the MID.
Continuous lane deviations from
swaying.
Gentle swaying from driver’s
inattentiveness.
Acute steering wheel operation after the
number of operations decrease due to driver’s
inattentiveness.

49
(1) Press “
” switches and select “” from the Multi-Information Display (MID).
(2) Press “
” switches and select “LDA” and then press “.” The setting screen
is displayed.
(3) Press “
” switches and select “Vehicle sway warning sensitivity” and th\
en
press “
” to select desired setting.
(4) Press “
” to go back to the menu.
Refer to the Toyota Owner’s Manual for additional information on LDA \
operation,
settings adjustments, limitations, and precautions before attempting to \
use it. (1) Press “
” switches and select “” from the Multi-Information Display (MID).
(2) Press “
” switches and select “LDA” and then press “.” The setting screen
is displayed.
(3) Press “
” switches and select “Vehicle sway warning function” and then \
press
“
” to select desired setting.
(4) Press “
” to go back to the menu.
Note: Operation of the LDA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.
ADJUSTING SWAY ALERT SENSITIVITY
DISABLING LDA SWAY WARNING SYSTEM
OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES

50
TOYOTA SAFETY SENSE™
TURNING THE LTA SYSTEM ON/OFF
Press the LTA switch to turn the LTA system on. Depress again to turn it\
off.
Note: Operation of the LTA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.
Refer to the Toyota Owner’s Manual for additional information on LTA \
operation,
settings adjustments, limitations, and precautions before attempting to \
use it.
When Full-Speed Range Dynamic Radar Cruise Control (DRCC) is enabled a\
nd
lane markers are detectable, Lane Tracing Assist (LTA) uses the lines \
on the road
and/or preceding vehicles to help keep the vehicle centered in its lane.\

See www.toyota.com/safety-sense for model applicability.
Refer to the Toyota Owner’s Manual for a list of additional situation\
s in which the
system operation may be limited.
Lane Tracing Assist (LTA)
- “LTA Turned ON Steering Assist Active”

OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY
& EMERGENCY FEATURES
51
LANE TRACING ASSIST
LTA function display
(2)
(1)
Lane Departure Alert (LDA) indicator flashes orange when operating.
The LTA function displays when the Multi-Information Display (MID) is
switched to the driving assist system information screen.
(1) The system displays solid white lines on the LTA indicator when vi\
sible lane markers or the road are detected. A side flashes orange to alert the dri\
ver when
the vehicle deviates from its lane.
(2) The system displays outlines on the LTA indicator when lane marker\
s or the road are not detected or the function is temporarily canceled.
Note: When operation conditions are no longer met, a function may be
temporarily canceled. However, when the operation conditions are met again,
operation of the function is automatically restored. For example, LTA may not
function on the side(s) where white/yellow lines are not detectable.
OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
Operation display
of steering wheel
operation support Follow-up
cruising display
LTA indicator
Lane markers

52
ADJUSTING LTA ALERT SENSITIVITY
DISABLING STEERING ASSIST
The driver can adjust the sensitivity of the LTA (warning) function fr\
om the
Multi-Information Display (MID) customization screen.High - Is designed to warn approximately before the front
tire crosses the lane marker.
Normal - Is designed to warn approximately when the front
tire crosses the lane marker.
(1) Press “
” switches and select “” from the Multi-Information Display (MID).
(2) Press “
” switches and select “LTA” and then press “.” The setting screen
is displayed.
(3) Press “
” switches and select “Alert sensitivity” and then press “” to select
desired setting.
(4) Press “
” to go back to the menu.
(1) Press “
” switches and select “” from the Multi-Information Display (MID).
(2) Press “
” switches and select “LTA” and then press “.” The setting screen
is displayed.
(3) Press “
” switches and select desired setting and then press “.”
(4) Press “
” to go back to the menu.
Note: Operation of the LTA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.
TOYOTA SAFETY SENSE™

OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY
& EMERGENCY FEATURES
53
OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
LANE CENTERING
The lane centering function is linked with Full-Speed Range Dynamic Rada\
r Cruise
Control (DRCC) and provides the required assistance by operating the s\
teering
wheel to keep the vehicle in its current lane.
When Full-Speed Range Dynamic Radar Cruise Control (DRCC) is not opera\
ting,
the lane centering function does not operate.
(1) Press “
” switches and select “” from the Multi-Information Display (MID).
(2) Press “
” switches and select “LTA” and then press “.” The setting screen
is displayed.
(3) Press “
” switches and select “Lane centering function” and then press \
“”
to select the desired setting.
(4) Press “
” to go back to the menu.
Note: Operation of the LTA system and setting adjustments continues in the
same condition regardless of Ignition cycle until changed by the driver or the
system is reset.
Refer to the Toyota Owner’s Manual for additional information on LTA \
operation,
settings adjustments, limitations, and precautions before attempting to \
use it.
DISABLING LANE CENTERING FUNCTION

54
TURNING SYSTEM ON/OFF
ADJUSTING SET SPEED
(1)
Push once: On
Push twice: Off
(2) (3)
TOYOTA SAFETY SENSE™
Intended for highway use, Full-Speed Range Dynamic Radar Cruise Control \
(DRCC) lets you drive at a preset speed. The system is designed to fun\
ction
between 0-110 mph* and uses vehicle-to-vehicle distance control, helping\
maintain
a preset distance from the vehicle ahead of you.*
* See www.toyota.com/safety-sense for more information.
Refer to the Toyota Owner’s Manual for a list of additional situation\
s in which the
system operation may be limited.
Refer to page 58 for switching to Constant Speed (Cruise) Control Mode\
.
Increase speed/Resume
Cancel*
Set/Decrease speed
*
The speed control may also be canceled by depressing the brake pedal.
Vehicle will cruise at a set speed, decelerate to maintain a selected di\
stance from a
slower vehicle traveling in front and accelerate back up to the selected\
speed if the
vehicle in front changes lanes or speeds up.
(1) Push the “
” to turn DRCC system ON. The “Radar Ready” and “”
indicator will come on.
(2) Use the steering wheel controls to increase speed by pushing “ +RES” or
decrease the speed by pushing “ -SET”. Push and hold to make a large
adjustment or push each time to make fine adjustments (1 mph [1.6 km/h]\
or 1
km/h [0.6 mph] increments).
(3) Push “Cancel” to cancel the speed control.
Multi-Information
Display Set speed Full-Speed Range
Dynamic Radar Cruise
Control vehicle-to-
vehicle distance button
Cruise control
switch
Indicators
Full-Speed Range Dynamic Radar Cruise
Control (DRCC)