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13
Quick Reference Guide
Auto Engine Stop/Start The car will select the appropriate source of  power depending on the drive mode you select.
As a result, the engine will automatically start or stop as needed  to either charge the battery or provide supplemental power.
Under certain circumstances, the engine may turn on or, if it is already on, it may not turn off.
● You are going uphill or accelerating aggressively.
● The climate control system is in heavy use.
● The Ambient temperature is too hot or too cold.
● The High Voltage Battery state of charge is very low.
● The vehicle is running a system check.
System Check When the engine initially  starts (between the time the  POWER  button is turned on and turned of f), the vehicle conducts a system check.
● While the check is being conducted, the engine may periodically turn on and off. This, however, is normal.
● The curved blue line in the  POWER / CHARGE  Gauge will not appear during the system check ( EV  indicator may still turn on).
● Once the engine starts, it will continue to run until the system reaches operating temperature.
The curved blue line in the  POWER / CHARGE  Gauge will reappear once the system check is completed.
2 POWER/CHARGE Gauge  (P122)18 CLARITY PHEV CSS-31TRW6000.book  13 ページ  2017年8月31日 木曜日 午後2時 49分 
     
        
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22
Quick Reference Guide Safe Driving  (P 41)
Airbags  (P 54)
● Your vehicle is fitted with ai rbags to help protect you and 
your passengers during a moderate-to-severe collision.
Child Safety  (P 69)
● All children 12 and younger should be seated in the rear seat.
● Smaller children should be properly restra ined in a forward-facing child seat.
● Infants must be properly restraine d in a rear-facing child seat.
Before Driving Checklist  (P 46)
● Before driving, check that the  front seats, head restraints, 
steering wheel, and mirrors have been properly adjusted.
Seat Belts  (P 47)
● Fasten your seat belt and sit upright well 
back in the seat.
● Check that your passengers are wearing 
their seat belts correctly.
Fasten your lap belt as 
low as possible.Exhaust Gas Hazard  (P 82)
● Your vehicle emits dangerous exhaust gases that contain 
carbon monoxide. Do not run the engine in confined 
spaces where carbon monoxide gas can accumulate.18 CLARITY PHEV CSS-31TRW6000.book  22 ページ  2017年8月31日 木曜日 午後2時 49分 
     
        
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35
Quick Reference Guide
Maintenance  (P 471)
Under the Hood  (P 480)
● Check engine oil, coolants and windshield washer fluid. Add 
when necessary.
● Check brake fluid.
● Check the 12-volt battery condition monthly.
a Pull the hood release handle under the corner of the 
dashboard.
b Locate the hood latch lever,  push it to the side, and then 
raise the hood. Once you have raised the hood slightly, you 
can release the lever.
c When finished, close the hood  and make sure it is firmly 
locked in place. Lights  (P 494)
● Inspect all lights regularly.Wiper Blades  (P 496)
● Replace blades if they leave streaks 
across the windshield.
Tires  (P 499)
● Inspect tires and  wheels regularly.
● Check tire pressures regularly.
● Install snow tires for winter driving.18 CLARITY PHEV CSS-31TRW6000.book  35 ページ  2017年8月31日 木曜日 午後2時 49分 
     
        
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38
Quick Reference Guide Why doesn’t the curved 
blue line in the meter 
appear even when the EV 
indicator is on? The vehicle is performing a system check. 2 Auto Engine Stop/Start  (P13)
Why does the beeper 
sound when I start driving? The beeper sounds when the driver and/or front passenger are 
not wearing their seat belts.
Why does a beeper sound 
when I walk away from the 
vehicle after I close the 
door? The beeper sounds if you move outside the walk away auto lock 
operating range before the door completely closes. 2 Locking the doors and trunk (Walk away auto lock)  (P 140)
Pressing the electric 
parking brake switch does 
not release the parking 
brake. Why? Press the electric parking brake  switch with the brake pedal 
depressed.
Depressing the accelerator 
pedal does not release the 
parking brake 
automatically. Why? ●
Fasten the driver’s seat belt. ●
Check if the transmission is in  ( P
 or  ( N
. If so, select any other 
position.18 CLARITY PHEV CSS-31TRW6000.book  38 ページ  2017年8月31日 木曜日 午後2時 49分 
     
        
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90 uu Indicators u
Instrument Panel Indicator Name On/Blinking Explanation Message
READY  Indicator ●
Comes on when the vehicle is 
ready to drive. ●
May go off if the  POWER SYSTEM  or 
transmission system indicator comes on. 2 Turning on the Power  P. 376
Malfunction 
Indicator Lamp ●
Comes on when you set the power 
mode to ON, and  goes off either 
when the power system is on or 
after several seconds if the vehicle 
did not start. If “readiness codes” 
have not been set, it blinks five 
times before it goes off. ●
Comes on if there is a problem 
with the emissions control system. ●
Blinks when a misfire in the 
engine's cylinders is detected. ●
Readiness codes are part of the on board 
diagnostics for the emissions control 
systems. 2 Testing of Readiness Codes  P. 572 ●
Comes on while driving  - Have your 
vehicle checked by an  authorized Honda 
Clarity Plug-In Hybrid dealer. ●
Blinks while driving  - Stop in a safe 
place where there are no flammable 
objects. Stop the power system for 10 
minutes or more, and wait for the engine 
to cool down. Then, t ake the vehicle to an 
authorized Honda Clarity Plug-In Hybrid 
dealer. 2 If the Malfunction Indicator Lamp 
Comes On or Blinks  P. 547
12-Volt Battery 
Charging System 
Indicator ●
Comes on when you set the power 
mode to ON, and  goes off when 
the power system is on. ●
Comes on when the 12-volt 
battery is not charging. ●
Comes on while driving  - Turn off the 
climate control system and rear defogger 
in order to reduce electricity 
consumption. 2 If the 12-Volt Battery Charging 
System Indicator Comes On  P. 54618 CLARITY PHEV CSS-31TRW6000.book  90 ページ  2017年8月31日 木曜日 午後2時 49分 
     
        
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92 uu Indicators u
Instrument Panel Indicator Name On/Blinking Explanation Message
Transmission 
System Indicator ●
All the gear positions may light for 
several seconds, and go off. ●
When all the gear positions illuminate, 
immediately stop your vehicle in a safe 
place. ●
Indicators go off if there is no problem. 
However, even if they go off, take your 
vehicle to an authorized Honda Clarity 
Plug-In Hybrid dealer for inspection. ●
The indicated current gear 
selection blinks if there is a 
problem with the transmission 
system. ●
Avoid sudden start and acceleration, and 
stop in a safe place immediately. ●
Have your vehicle checked by an 
authorized Honda Clarity Plug-In Hybrid 
dealer. ●
The indicated current gear 
selection or all the gear positions 
blink if you cannot select  ( P
 due 
to a transmission system failure. ●
The engine can be activated as a 
temporary measure. 2 If the Transmission System Indicator 
Blinks along with the Warning 
Message  P. 552 ●
Set the parking brake when parking. ●
Have your vehicle checked by an 
authorized Honda Clarity Plug-In Hybrid 
dealer immediately.18 CLARITY PHEV CSS-31TRW6000.book  92 ページ  2017年8月31日 木曜日 午後2時 49分 
     
        
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104 uu Indicators u Driver Information Interface Wa rning and Information Messages
Instrument Panel Message Condition Explanation●
Appears when there is a pr oblem with the sensor on 
the 12-volt battery. ●
Have your vehicle checked by an authorized Honda 
Clarity Plug-In Hybrid dealer. 2 Checking the 12-Volt Battery  P. 508●
Appears along with the battery charging system 
indicator when the batte ry is not charging. ●
Turn off the climate control system and rear defogger to 
reduce electricity consumption. 2 If the 12-Volt Battery Charging System Indicator 
Comes On  P. 546●
Appears when the engine  oil pressure is low. ●
Appears while driving  - Immediately stop in a safe 
place. 2 If the Low Oil Pressure Warning Appears  P. 545●
Appears when the engine coolant temperature gets 
abnormally high. 2 Overheating  P. 542●
Appears when the engine coolant temperature is 
near its upper limit. ●
Drive slowly to prevent overheating.●
Appears if there is a pr oblem with the cooling 
system. ●
Drive slowly to prevent ov erheating and have your 
vehicle checked by an author ized Honda Clarity Plug-In 
Hybrid dealer as soon as possible.●
Appears when the fuel fill cap is loose or is not 
installed. 2 Tighten Fuel Cap Message  P. 54718 CLARITY PHEV CSS-31TRW6000.book  104 ページ  2017年8月31日 木曜日 午後2時49分 
     
        
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110 uu Indicators u Driver Information Interface Wa rning and Information Messages
Instrument Panel Message Condition Explanation●
Appears when the outsid e temperature is low. ●
In extremely cold climates,  keep the vehicle stored in a 
garage or connect the charging connector. 2 Charging  P. 454●
Appears when the engine starts automatically when 
the engine has not started for a long time.
—●
Appears when the vehicle can run only in EV because 
the failure that cannot generate power by the engine 
failure or generator  failure etc occurs. ●
The estimated distance you can travel on the 
remaining power is displayed. ●
Have your vehicle checked by an authorized Honda 
Clarity Plug-In Hybrid dealer.●
Appears when you are unable to select the HV 
Charge because the High Voltage battery charge 
level is at maximum limit  (12 segments) of the HV 
Charge. 2 SPORT HYBRID i-MMD Plug-in (Intelligent Multi-
mode Drive Plug-in)  P. 11●
Appears if the drive mode cannot be changed due to 
certain situations, such as a system error or adverse 
driving conditions. —Canadian models18 CLARITY PHEV CSS-31TRW6000.book  110 ページ  2017年8月31日 木曜日 午後2時49分