2017 TOYOTA MIRAI Owners Manual

2015-4. Refueling
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Driving
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■If “Open H2 Filler Door in a Safe Place when Vehicle is Powered OFF” is
displayed on the mult i-information display
Stop the vehicle in a safe place and press the fuel door opener switch once
more with the following procedure:
Shift the shift position to P.
Turn the power switch off.
Press the fuel door opener switch.
■ If the fuel door lock cannot be released (i.e., if it is damaged)
■ Sounds during filling
When fueling with compressed hydrogen gas, noises from gas flowing
through the hydrogen gas nozzle and hydrogen tank valves can sometimes
be heard. ( →P. 80)
Replace the cap.
Turn the power switch off, remove the
trunk inner cover, and release the lock for
the fuel door by pulling the lever.
Closing the fuel door
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2025-4. Refueling
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Press the center part of the rear
edge of the fuel door, closing
the fuel door, until it clicks.
Confirm the fuel door is completely
closed by checking that the fuel
door is flush with the body.
■Safety features
When the fuel door is open, the fuel cell system will not start. When the
“READY” indicator is on, the fuel door will not open.
■ If “H2 Filler Door is open. Park Your Vehicle in a Safe Place and Close H2
Filler Door” is displayed on the multi-information display
The fuel door is open. Stop the vehicle in a safe place and close the fuel door.
■ If “Close H2 Filler Door and Restart Your Vehicle” is displayed on the
multi-information display
The fuel door is open and the fuel cell system cannot be started. Shift the shift
position to P and, turn the power switch off, then:
Check whether the cap has been reinstalled.
Close the fuel door by pressing the center part of the rear edge of the
fuel door, until it clicks.
If the warning message on the multi-information display turns off at this
time, there is no malfunction. However, if the display continues to show, the
sensor may be damaged. Have the vehicle inspected by your Toyota
dealer.
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2035-5. Using the driving support systems
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Driving
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Dynamic radar cruise control
Without accelerator pedal operation by the driver, in vehicle-to-vehicle
distance control mode, the vehicl e automatically accelerates and
decelerates in accordance to the ch anges in speed of the preceding
vehicle. In constant speed control mode, the vehicle runs at a fixed
speed.
Use the dynamic radar cruise control on freeways and highways.
● Vehicle-to-vehicle distance control mode ( →P. 204)
● Constant speed control mode ( →P. 209)
Display
Set speed
Indicators
Vehicle-to-vehicle distance but-
ton
Dynamic radar cruise control
switch
Summary of functions

2045-5. Using the driving support systems
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This mode employs a radar sensor to detect the presence of vehicles
up to approximately 400 ft. (120 m) ahead, determines the current
vehicle-to-vehicle following distance, and operates to maintain a suit-
able following distance from the vehicle ahead.
Note that vehicle-to-vehicle distance will close in when traveling on long
downhill slopes.
Example of constant speed cruising
When there are no vehicles ahead
The vehicle travels at the speed set by the driver. The desired vehicle-to-
vehicle distance can also be set by operating the vehicle-to-vehicle dis-
tance control.
Example of deceleration cruising
When a preceding vehicle is driving slower than the set speed
appears
When a vehicle is detected running ahead of you, the system automatically
decelerates your vehicle. When a greater reduction in vehicle speed is
necessary, the system applies the brakes (the stop lights will come on at
this time). A warning tone warns you when the system cannot decelerate
sufficiently to prevent your vehicle from closing in on the vehicle ahead.
Driving in vehicle-to-vehicle distance control mode

2055-5. Using the driving support systems
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Driving
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Example of follow-up cruising
When following a preceding vehicle that is driving slower than the
set speed
The system continues follow-up cruising while adjusting for changes in the
speed of the vehicle ahead in order to maintain the vehicle-to-vehicle dis-
tance set by the driver.
Example of acceleration
When there are no longer any preceding vehicles driving slower
than the set speed
The system accelerates until the set speed is reached. The system then
returns to constant speed cruising.
Press the “ON-OFF” button to
activate the cruise control.
Radar cruise control indicator will
come on and a message is dis-
played on the multi-information dis-
play.
Press the button again to deacti-
vate the cruise control.
Accelerate or decelerate, with
accelerator pedal operation, to
the desired vehicle speed
(above approximately 30 mph
[50 km/h]) and push the lever
down to set the speed.
Cruise control “SET” indicator will
come on.
The vehicle speed at the moment the lever is released becomes the set
speed.
Setting the vehicle speed (vehicle-to-vehicle distance control
mode)
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2065-5. Using the driving support systems
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To change the set speed, operate the lever until the desired set speed
is displayed.
Increases the speed
Decreases the speed
Fine adjustment: Momentarily
move the lever in the desired direc-
tion.
Large adjustment: Hold the lever in
the desired direction.
In the vehicle-to-vehicle distance control mode, the set speed will be
increased or decreased as follows: Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever
is operated
Large adjustment: By approximately 5 mph (8 km/h) for each 0.75 sec-
onds the lever is held
In the constant speed control mode ( →P. 209), the set speed will be
increased or decreased as follows:
Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever
is operated.
Large adjustment: The set speed can be increased or decreased contin-
ually until the lever is released.
Adjusting the set speed

2075-5. Using the driving support systems
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Driving
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Pressing the button changes the
vehicle-to-vehicle distance as fol-
lows:Long
Medium
Short
The vehicle-to-vehicle distance is
set automatically to long mode
when the power switch is turned to
ON mode.
If a vehicle is running ahead of you, the preceding vehicle mark will also be
displayed.
Select a distance from the table bel ow. Note that the distances shown
correspond to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle
distance increases/decreases in accordance with vehicle speed.
Changing the vehicle-to-vehicle di stance (vehicle-to-vehicle dis-
tance control mode)
Preceding
vehicle mark
Vehicle-to-vehicle distance settings (vehicle-to-vehicle distance
control mode)
Distance optionsVehicle-to-vehicle distance
LongApproximately 160 ft. (50 m)
MediumApproximately 130 ft. (40 m)
ShortApproximately 100 ft. (30 m)

2085-5. Using the driving support systems
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Pulling the lever toward you
cancels the speed control.
The speed setting is also canceled
when the brake pedal is
depressed.
Pushing the lever up resumes
the speed control and returns
vehicle speed to the set speed.
However, when a vehicle ahead is not detected in vehicle-to-vehicle dis-
tance control mode, cruise control does not resume when the actual vehi-
cle speed is approximately 25 mph (40 km/h) or less. Also, when the
vehicle is in constant speed control mode and the actual vehicle speed is
approximately 25 mph (40 km/h) or less, cruise control does not resume as
the set speed is cleared.
When your vehicle is too close to
a vehicle ahead, and sufficient
automatic deceleration via the
cruise control is not possible, the
display will flash and the buzzer
will sound to alert the driver. An
example of this would be if
another driver cuts in front of you
while you are following a vehicle.
Depress the brake pedal to ensure an appropriate vehicle-to-vehicle
distance.
■Warnings may not occur when
In the following instances, there is a possibility that the warnings will
not occur:
● When the speed of the preceding vehicle matches or exceeds
your vehicle speed
● When the preceding vehicle is traveling at an extremely slow speed
● Immediately after the cruise control speed was set
● When depressing the accelerator pedal
Canceling and resuming the speed control
Approach warning (vehicle-to-vehicle distance control mode)