Page 3 of 72

1
OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
Active Sound Control (ASC)  16 
Audio  28 
Auto lock/unlock
1,2  14
Air conditioning/heating  34-35
Automatic transmission  14
Bird’s Eye View Camera with  
Perimeter Scan  39 
Blind Spot Monitor (BSM) and  
Rear Cross Traffic Alert (RCTA)  38 
Clock  18 
Cup holders  19 
Door locks  16
Driving mode select switch  15
Electric parking brake  24 
Electric sunshade  18
Front and Rear Parking Assist  
with Automated Braking  40
Garage door opener (Homelink
®)3  21
Head-Up Display (HUD)  23
Heated/ventilated seats  33
Intuitive parking assist  41
Lights
1 & turn signals  26
Luggage security system  18
Multi-Information Display (MID)
2  22
Power outlet-12V DC  30 
Power outlet-120V AC  30
Power windows  16
Qi wireless charger  31
RCD (Rear Camera Detection)  37
INDEX
Fuel cell compartment  
maintenance  9
Fuel door release button & cap  8
Hood release  9
Indicator symbols  4-5
Instrument cluster  4
Instrument panel  2-3
Instrument panel light control  8
Keyless entry
1,2  6-7
Smart Key System1,2  7
Hydrogen Fuel Cell System  10-13
Water release (H
2O) switch  13
1 Visit your Toyota dealer for information on customizing this feature.2 Programmable by customer. Refer to the Owner’s Manual for instructio\
ns and more information.3 HomeLink® is a registered trademark of Gentex Corporation.
OVERVIEW
HYDROGEN FUEL CELL SYSTEM 
& SAFETY FEATURES
FEATURES & OPERATIONS FEATURES & OPERATIONS (continued)
SAFETY & EMERGENCY FEATURES
Rear sunshade  19 
Rear view monitor system  36
Seat adjustments-Front  20
Seats-Head restraints  20
Snow mode  15 
Steering lock release  17
Steering wheel switches &  
telephone controls (Bluetooth
®)  27
Tilt & telescopic steering wheel  17
Toyota multi-operation touch  32
USB charge ports  29
USB media port  29
Vehicle Stability Control (VSC)/ 
TRAC OFF switch  36
Windshield wipers & washer  25
Emergency tire puncture repair kit  62
Floor mat installation  65
Rear door child safety locks  60 
Safety Connect
®  60
Seat belts  61
Seat belts-Shoulder belt anchor  61
Star Safety System
™  64-65
Tire Pressure Monitoring
(warning) System (TPMS)  63
Trunk-Internal release  61
TOYOTA SAFETY SENSE™ 2.5+ (TSS 2.5+)
Automatic High Beams (AHB)  57-58 
Full-Speed Range Dynamic  
Radar Cruise Control (DRCC)  54-56
Lane Departure Alert with  
Steering Assist (LDA w/SA) 46-49
Lane Tracing Assist (LTA)  50-53
Pre-Collision System with Pedestrian  
Detection (PCS w/PD)  43-45
Quick overview-Toyota Safety  
Sense
™ 2.5+ (TSS 2.5+)  42
Road Sign Assist (RSA)  58-59
Sensors  43
BLUETOOTH® DEVICE  
PAIRING SECTION 66-68 
     
        
        Page 7 of 72
![TOYOTA MIRAI 2021  Owners Manual (in English) 5
Hydrogen leak warning
1
High coolant temperature warning1 [red]/ 
Low coolant temperature indicator [blue]
Smart key system indicator
Slip indicator1,3
Snow mode indicator
Sport mode indicator
Pop U TOYOTA MIRAI 2021  Owners Manual (in English) 5
Hydrogen leak warning
1
High coolant temperature warning1 [red]/ 
Low coolant temperature indicator [blue]
Smart key system indicator
Slip indicator1,3
Snow mode indicator
Sport mode indicator
Pop U](/manual-img/14/42632/w960_42632-6.png)
5
Hydrogen leak warning
1
High coolant temperature warning1 [red]/ 
Low coolant temperature indicator [blue]
Smart key system indicator
Slip indicator1,3
Snow mode indicator
Sport mode indicator
Pop Up Hood warning1
Vehicle Stability Control (VSC) OFF 
indicator1
Low tire pressure warning1
Security indicator
Low fuel level warning
READY indicator
Rear passengers’ seatbelt reminder
Headlight low/high beam indicator
Turn signal indicator
Low outside temperature indicator
Open door warning
Driver’s and front passenger’s seat belt 
reminder  (alarm will sound when the 
vehicle is on)
Charging system warning
Eco drive mode indicator
Fuel cell system overheat warning
Pre-Collision System (PCS) warning1,2
Intuitive parking assist OFF indicator2,4
Constant speed cruise control/
Full-Speed Range Dynamic Radar 
Cruise Control (DRCC) indicator
Electric power steering system warning1 
[red/yellow]
RCD (Rear Camera Detection) OFF 
indicator1,2
Rear Cross Traffic Alert (RCTA) OFF 
indicator1,2
Lane Tracing Assist (LTA)/Lane Departure 
Alert with Steering Assist indicator (LDA 
w/SA) [white/green/orange
3]
Parking brake indicator2
Front and Rear Parking Assist with 
Automated Braking OFF indicator1,2,4,5
1  If the indicator does not turn off within a few seconds of starting the \
fuel cell system, there may 
be a malfunction. Have the vehicle inspected by your Toyota dealer.
2  If the indicator flashes, there may be a malfunction. Refer to the Owner\
’s Manual.3 If the indicator flashes, it indicates that the system is operating.4 If equipped.5 Refer to section PKSB (Parking Support Braking function) in the Owner\
’s Manual. 
OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
Constant speed cruise control/Full-Speed 
Range DRCC SET indicator 
     
        
        Page 8 of 72
6
Keyless entry
OVERVIEW
Push
Push and hold
Push
ONCE: Driver door TWICE: All doors
* Driver door unlocking function can be programmed to unlock driver door\
 only, or 
all doors. Grasping any passenger door handle will unlock all doors.
Please refer to the Owner’s Manual for more details on how to program\
 the doors.
NOTE: Doors may also be locked/unlocked using remote.
Carry Smart   Key remote
Grasp
Driver door unlock*
TRUNK LID
Carry Smart   Key remote
Unlock
Push
UNLOCKING
LOCKING
NOTE: If a door is not opened within 60 seconds of unlocking, all doors will relock for 
safety.
Carry Smart  Key remote
All-door lock
Touch 
     
        
        Page 9 of 72
7
Smart Key system
Push and hold
Without depressing the brake pedal, pressing the power button will chang\
e the 
operation mode in succession from:
PANIC BUTTON
OVERVIEW
HYDROGEN FUEL CELL SYSTEM
& SAFETY FEATURES
FEATURES & OPERATIONS
TOYOTA SAFETY SENSE
SAFETY & EMERGENCY FEATURES
- “ACCESSORY”,  - “IGNITION ON”
START FUNCTION
POWER (WITHOUT STARTING THE FUEL CELL SYSTEM)
NOTE: The Smart Key must be carried to enable the start function. With the 
shift lever in Park and the brake pedal depressed, push the power button.
Off - All systems OFF. Emergency flashers can be used. 
Accessory – Some electrical components can be used.
On - All electrical components can be used. 
     
        
        Page 28 of 72

26
FEATURES & OPERATIONS
TURN SIGNALS
HEADLIGHTS
Right turn
Lane change
*
Lane change*
Left turn
Headlights
Parking lights
Auto
DRL OFF
High beam (Push)
High beam flasher
(Pull)
Low beam 
(Original position)
Daytime Running Light (DRL) system:  Automatically turns on under certain 
conditions to make vehicle more visible to other drivers. Not for use at\
 night. Automatic light cut off system 
- Headlights are on: The lights will turn off automatically 30 seconds a\
fter the  vehicle is turned from ON to ACC or OFF and a door is opened 
and closed. (If the lock switch on the Smart Key remote 
is pushed after all doors are closed, the lights will turn off 
immediately.) 
- Only the tail lights are on: The tail lights will turn off automatical\
ly if the vehicle is  turned from ON to ACC or OFF and the driver’s door is 
opened.
Automatic High Beams (AHB) system*: Automatically switches between high and low beams as appropriate to enhance vision at night.  
Refer to Toyota Safety Sense™ 2.5+ (TSS 2.5+) in this guide or the \
Owner’s Manual 
for more details on the Automatic High Beams feature.
* Operating conditions must be met. Refer to the Owner’s Manual for d\
etails.
Lights & turn signals
* Move lever partway and release. The signals will flash three times.