
uuWhen Driving uTurning on the Power
380
Driving
You can turn the power system off when  the vehicle is completely stopped.
1. Put the transmission into 
(P.
2. Press the  POWER button.
■Stopping the Power System1Turning on the Power
Bring the smart entry remote close to the  POWER 
button if the battery in the smart entry remote is 
weak.
2 If the Smart Entry Remote Battery is Weak  
P. 541
The power system may not activate if the smart entry 
remote is subjected to strong radio waves.
Do not hold the  POWER button to start the power 
system.
If the power system does not  start, wait at least 30 
seconds before trying again.
The immobilizer system pr otects your vehicle from 
theft.
If an improperly coded de vice is used, the power 
system does not activate. 2 Immobilizer System  P. 153
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408
uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow
Driving
■A vehicle detected ahead is within  ACC with Low Speed Follow range and 
slows to a stop Your vehicle also stops, automatically. The 
Stopped message appears on the driver 
information interface.
When the vehicle ahead of you starts again, 
the vehicle icon on th e driver information 
interface blinks. If you press the  RES/+ or 
−/SET  button, or depress the accelerator 
pedal, ACC with Low Speed Follow operates 
again within the prior set speed.
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429
uuWhen Driving uTire Pressure Monitoring System (TPMS)
Continued
Driving
Tire Pressure Monitoring System (TPMS)
Instead of directly measuring the pressure  in each tire, the TPMS on this vehicle 
monitors and compares the rolling radius  and rotational characteristics of each 
wheel and tire while you are driving to  determine if one or more tires are 
significantly under-inflated. This will cause the low tire pressure/TPMS 
indicator to come on and a message to appear 
on the driver information interface.
You must start TPMS calibration every time you:
• Adjust the pressure in one or more tires.
• Rotate the tires.
• Replace one or more tires.
Before calibrating the TPMS:
• Set the cold tire pressure in all four tires.
2 Checking Tires  P. 503
Make sure:
•The vehicle is at a complete stop.
• The gear position is in 
(P.
• The power mode is in ON.
1Tire Pressure Monitoring System (TPMS)
The system does not monitor the tires when driving 
at low speed.
Conditions such as low  ambient temperature and 
altitude change directly a ffect tire pressure and can 
trigger the low tire pressure/TPMS indicator to come on.
Tire pressure checked and inflated in:
•Warm weather can beco me under-inflated in 
colder weather.
•Cold weather can become  over-inflated in warmer 
weather.
The low tire pressure/TPMS indicator will not come 
on as a result of over inflation.
The TPMS may not function pr operly if tire type and 
size are mixed. Make sure to use the same size and 
type of tire. 2 Checking and Maintaining Tires  P. 503
The low tire pressure/TPMS indicator may come on 
with a delay or may not come on at all when:
•You rapidly accelerate, decelerate, or turn the 
steering wheel.
•You drive on snowy or slippery roads.•Tire chains are used.
The low tire pressure/TPMS indicator may come on 
under the following conditions:
•There is a heavier and uneve n load on the tires than 
the condition at calibration.
•Tire chains are used.
Low Tire Pressure/TPMS 
Indicator
■TPMS Calibration
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435Continued
Driving
Braking
Brake System
Use the parking brake to keep the vehicle stationary when parked. When the 
parking brake is applied, you can manu ally or automatically release it.
■To apply
The electric parking brake can be applied any 
time the vehicle has battery, no matter which 
position the power mode is in.
Pull the electric parking brake switch up gently 
and securely. u The parking brake and brake system 
indicator (red) comes on.
■To release
The power mode must be in ON in order to 
release the electric parking brake.
1. Depress the brake pedal.
2. Press the electric parking brake switch.
u The parking brake and brake system 
indicator (red) goes off.
Manually releasing the parking brake using 
the switch helps your vehicle start slowly and 
smoothly when facing down hill on steep hills.
■Parking Brake1 Brake System
When you depress the brak e pedal, you may hear a 
whirring sound from the engine compartment. This is 
because the brake system is  in operation, and it is 
normal.
1 Parking Brake
You may hear the electric parking brake system 
motor operating from the re ar wheel area when you 
apply or release the parki ng brake. This is normal.
The brake pedal may slightly  move due to the electric 
parking brake system opera tion when you apply or 
release the parking br ake. This is normal.
You cannot apply or  release the parking brake if the 
12-volt battery goes dead. 2 Jump Starting  P. 543
If you pull up and hold the electric parking brake 
switch while driving, the brakes on all four 
wheels are applied by the electric servo brake 
system until the vehicle comes to a stop. The 
electric parking brake then applies, and the 
switch should be released.
Electric Parking 
Brake Switch
Electric Parking 
Brake Switch
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uuBraking uBrake System
436
Driving
■To release automatically
Depressing the accelerator pedal releases the parking brake.
Use the accelerator pedal to release the brake when you are starting the vehicle 
facing uphill, or in a traffic jam.
Gently depress the accelerator pedal.
When on a hill, it may require more 
accelerator input to release.u The parking brake and brake system 
indicator (red) goes off.
You can release the parki ng brake automatically when:
• You are wearing the driver’s seat belt.
• The power system is on.
• The transmission is not in 
(P or (N.
1Parking Brake
In the following situations, the parking brake 
automatically operates.
•When the vehicle stops more than 10 minutes 
while ACC with Low Speed Follow is activated.
•When the driver’s seat  belt is unfastened while 
your vehicle is stopped au tomatically by ACC with 
Low Speed Follow.
•When the power system is turned off while ACC 
with Low Speed Follow is activated.
•When the vehicle stops with the automatic brake 
hold activated for more than 10 minutes.
•When the driver’s seat  belt is unfastened while 
your vehicle is stopped a nd automatic brake hold is 
applied.
•When the power system is turned off while 
automatic brake hold is applied.
•When there is a problem with the Automatic Brake 
Hold System while automa tic brake hold is applied.
If the parking brake cannot be released 
automatically, release it manually.
When the vehicle is travel ing uphill, the accelerator 
pedal may need to be pressed farther to 
automatically release the electric parking brake.
Accelerator Pedal
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Continued439
uuBraking uBrake System
Driving
Keeps the brake applied after releasing the  brake pedal until the accelerator pedal is 
pressed. You can use this system while th e vehicle is temporarily stopped, like at 
traffic lights and in heavy traffic.
■Automatic Brake Hold1 Automatic Brake Hold
3WARNING
Activating the automatic brake hold system 
on steep hills or slippery roads may still 
allow the vehicle to  move if you remove 
your foot from the brake pedal.
If a vehicle unexpectedly moves, it may 
cause a crash resulting in serious injury or 
death.
Never activate the automatic brake hold 
system or rely on it  to keep a vehicle from 
moving when stopped on a steep hill or 
slippery roads.
3WARNING
Using the automatic brake hold system to 
park the vehicle may result in the vehicle 
unexpectedly moving.
If a vehicle moves unexpectedly, it may 
cause a crash, resulting in serious injury or 
death.
Never leave the vehicle when braking is 
temporarily kept by automatic brake hold 
and always park the vehicle by putting the 
transmission in 
( P and applying the parking 
brake.
■Turning on the system
Fasten your seat belt 
properly, then start the 
power system. Press the 
automatic brake hold 
button.
●The automatic brake 
hold system indicator 
comes on. The system 
is turned on.
■Activating the system
Depress the brake pedal 
to come to a complete 
stop. The transmission 
must be in 
( D or (N.●The automatic brake 
hold indicator comes 
on. Braking is kept for 
up to 10 minutes.
●Release the brake 
pedal after the 
automatic brake hold 
indicator comes on.
■Canceling the system
Depress the accelerator 
pedal while the 
transmission is in 
( D. 
The system is canceled 
and the vehicle starts to 
move.
●The automatic brake 
hold indicator goes 
off. The system 
continues to be on.
Accelerator PedalBrake PedalAutomatic Brake 
Hold Button
Goes 
Off
Comes 
OnOn On
Comes 
On
Comes 
On
U.S.
Canada
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443
uuBraking uCollision Mitigation Braking SystemTM (CMBSTM)
Continued
Driving
Collision Mitigation Braking SystemTM (CMBSTM)
Can assist you when there is a possibility of your vehicle colliding with a vehicle or a 
pedestrian detected in front of yours. The CMBSTM is designed to alert you when a 
potential collision is determined, as well as  to reduce your vehicle speed to help 
minimize collision severity when a collision is deemed unavoidable.
■How the system works
1 Collision Mitigation Braking SystemTM (CMBSTM)
Important Safety Reminder
The CMBS
TM is designed to reduce the severity of an 
unavoidable collision. It do es not prevent a collision 
nor stop the vehicle automati cally. It is still your 
responsibility to operate the brake pedal and steering 
wheel appropriately acco rding to the driving 
conditions.
The CMBS
TM may not activate or may not detect a 
vehicle in front of y our vehicle under certain 
conditions: 2 CMBS
TM Conditions and Limitations  P. 447
You can read about handling information for the 
camera equipped with this system. 2 Front Sensor Camera  P. 396
Be careful not to severely  impact the radar sensor 
cover.
1 How the system works
Rapid vibrations on the  steering wheel alert you 
when the your vehicle speed is between 19 and 62 
mph (30 and 100 km/h) with an oncoming vehicle 
detected in front of you.
When the CMBS
TM activates, it  may automatically 
apply the brake. It will be canceled when your vehicle 
stops or a potential coll ision is not determined.
The radar sensor is 
behind the emblem.
The camera is 
located behind 
the rearview 
mirror.
The system starts monitoring the roadway ah ead when your vehicle speed is about 3 
mph (5 km/h) and there is a vehicle in front of you.
When to use
The CMBSTM activates when:●The speed difference between your vehicle and a vehicle or pedestrian detected 
in front of you becomes about 3 mph (5 km/h) and over with a chance of a 
collision.
●Your vehicle speed is about 62 mph (100 km/h) or less and there is a chance of a 
collision with an oncoming detected vehicle or a pedestrian in front of you.
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456
uuRefueling uHow to Refuel
Driving
How to Refuel
1. Stop your vehicle with the service station 
pump on the left side of the vehicle in the 
rear.
2. Put the transmission into 
(P.
3. Turn the power system off.
4. Press the fuel fill door release button.
u Please Wait  appears for a few seconds 
on the driver information interface.
5. When the message changes to  Ready, the 
fuel fill door automatically opens.
u You can now unscrew the fuel cap and 
start refueling.
6. Remove the fuel fill cap slowly. If you hear a 
release of air, wait until this stops, then turn 
the knob slowly to open the fuel fill cap.
1How to Refuel
This vehicle has a pressurized fuel system.
When the fuel vapor pressure inside the fuel tank is 
high, it takes about 10 seconds  for the vehicle to vent 
the fuel tank. Once the pressure is vented, the driver 
information interface changes from  Please Wait to 
Ready.
If the filler nozzle keeps tu rning off when the tank is 
not full, there may be a pr oblem with the pump's fuel 
vapor recovery system. Try fi lling at another pump. If 
this does not fix the problem, consult an authorized 
Honda Clarity Plug-In  Hybrid dealer.
The filler nozzle automatically stops to leave space in 
the fuel tank so that fuel do es not overflow as a result 
of changes in air temperature.
Do not continue to add fuel  after the filler nozzle has 
automatically stopped. Addi tional fuel can exceed 
the full tank capacity.
3WARNING
Gasoline is highly flammable and explosive. 
You can be burned or  seriously injured 
when handling fuel.
• Stop the engine, and  keep heat, sparks, 
and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
Fuel Fill Door 
Release Button
Fuel Fill Cap
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