
ContentsChild Safety P. 69 Safety Labels P. 83
Opening and Closing the Trunk P. 150 Security System P. 153 Opening and Closing the Windows P. 156
Adjusting the Mirrors P. 173 Adjusting the Seats P. 175
Climate Control System P. 193
Audio Error Messages P. 284 General Information on the Audio System P. 288
Bluetooth ®  HandsFreeLink ®  P. 335
When Driving P. 376 Braking P. 431 Parking Your Vehicle P. 447
Charging P. 454 Fuel Economy and CO 2
 Emissions P. 469
Maintenance Under the Hood P. 480 Replacing Light Bulbs P. 494
Checking and Maintaining Tires P. 499 12-Volt Battery P. 508 Remote Transmitter Care P. 510
Accessories and Modifications P. 519
Power System Won’t Start P. 535 Jump Starting P. 539 Overheating P. 542
Fuses P. 553 Emergency Towing P. 561
When You Cannot Open the Charge Lid P. 563 When You Cannot Open the Trunk P. 564
Devices that Emit Radio Waves P. 569 Reporting Safety Defects P. 571
Authorized Manuals P. 576 Customer Service Information P. 577 Quick Reference Guide
P. 6 Safe Driving
P. 41 Instrument Panel
P. 85 Controls
P. 135 Features
P. 203 Driving
P. 369 Maintenance
P. 471 Handling the Unexpected
P. 521 Information
P. 565
Index
P. 57918 CLARITY PHEV CSS-31TRW6000.book  7 ページ  2017年8月31日 木曜日 午後2時4 9分 

36
Quick Reference Guide Handling the Unexpected  (P 521)
Flat Tire  (P 522)
● Park in a safe location and repair the flat 
tire using the temporary tire repair kit.
Indicators Come On  (P 545)
● Identify the indicator and consult the 
owner’s manual. Power System Won’t Start  (P 535)
● If the 12-volt battery is dead, jump start 
using a booster battery.
Blown Fuse 
  (P 553)
● Check for a blown fuse if an electrical 
device does not operate.Overheating  (P 542)
● Park in a safe location. If you do not see 
steam under the hood, open the hood, 
and let the power system cool down.
Emergency Towing  (P 561)
● Call a professional towing service if you 
need to tow your vehicle.18 CLARITY PHEV CSS-31TRW6000.book  36 ページ  2017年8月31日 木曜日 午後2時 49分 

431Continued
Driving
Braking Brake System Use the parking brake to keep the vehicl e 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 Brake 1 Brake System
When you depress the brak e pedal, you may hear a 
whirling 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, or set the power 
mode to OFF. 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. 539
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 Switch18 CLARITY PHEV CSS-31TRW6000.book  431 ページ  2017年8月31日 木曜日 午後2時49分 

521Handling the Unexpected This chapter explains how to handle unexpected troubles.
If a Tire Goes Flat
Temporarily Repairi ng a Flat Tire....... 522
Handling of the Jack ......................... 534
Power System Won’t Start
Checking the Procedure ................... 535
If the Smart Entry Remote Battery is 
Weak .......................................... 537
Emergency Power System Off........... 538
Jump Starting .................................... 539
Overheating
How to Handle Overheating ............. 542
Indicator, Coming On/Blinking
If the Low Oil Pressure Warning Appears .. 545 If the 12-Volt Battery Charging System 
Indicator Comes On ....................... 546
If the Malfunction Indicator Lamp Comes 
On or Blinks ..................................... 547
If the Brake System Indicator (Red) Comes 
On or Blinks ....................................... 548
If the Electric Power Steering (EPS) System 
Indicator Comes On ........................... 549
If the Brake System Indicator (Red) 
Comes On or Blinks at the Same Time 
When the Brake System Indicator 
(Amber) Comes On ...................... 550 If the Low Tire Pressure/TPMS Indicator 
Comes On or Blinks ....................... 551
If the Transmission System Indicator Blinks 
along with the Warning Message .... 552
Fuses
Fuse Locations ................................. 553
Inspecting and Changing Fuses ........ 560
Emergency Towing ........................... 561
When You Cannot Unlock the Fuel Fill 
Door ................................................. 562
When You Cannot Open the Charge 
Lid ................................................. 563
When You Cannot Open the Trunk .. 56418 CLARITY PHEV CSS-31TRW6000.book  521 ページ  2017年8月31日 木曜日 午後2時49分 

535Continued
Handling the Unexpected
Power System Won’t Start Checking the Procedure When the  READY  indicator does not come on and the  Ready To Drive  message 
does not appear on the driver informatio n interface, check the following items and 
take appropriate action.
Checklist Condition What to Do
Check if the related 
indicator or driver 
information interface 
messages come on. The  Remove Charger Connector  message appears Removing a charge connector. Set the power 
mode to ACCESSORY, then to ON.
The  Low Battery Charge . Power Reduced.  message appears Charge the High Voltage battery. 2 Charging  P. 454
The  Temperature Is Too Cold For Vehicle To Operate  
message appears. 2 Driver Information Interface Warning and 
Information Messages  P. 103
The  To Start, Hold Remote Near Start Button  message 
appears.
u Make sure the smart entry remote is in its operating range. 2 POWER Button Operating Range  P. 158 2 If the Smart Entry Remote Battery is Weak  
P. 537
The  POWER SYSTEM  indicator comes on. Have your vehicle checked by an authorized 
Honda Clarity Plug-In Hybrid dealer.
The transmission system indicator blinks and  Transmission 
Problem Apply Parking Brake When Parked  message 
appears. The power system can be activated as a 
temporary measure. 2 If the Transmission System Indicator Blinks 
along with the Warning Message  P. 552
Check the brightness 
of the interior lights. The interior lights are dim or do not come on at  all. Have the 12-volt  battery checked by an 
authorized Honda Clarity  Plug-In Hybrid dealer.
The interior lights come on normally. Check al l fuses, or have your vehicle checked by 
an authorized Honda Clarity Plug-In Hybrid 
dealer. 2 Inspecting and Changing Fuses  P. 5601 Checking the Procedure
If you must start the vehi cle immediately, use an 
assisting vehicle or booster  battery to jump start it.
2 Jump Starting  P. 53918 CLARITY PHEV CSS-31TRW6000.book  535 ページ  2017年8月31日 木曜日 午後2時49分 

539Continued
Handling the Unexpected
Jump Starting Turn off the power to electri c devices, such as the audi o and lights. Turn off the 
power system, then open the hood.
1. Open the battery terminal cover.
2. Connect the first jumper cable to your 
vehicle’s 12-volt battery  +  terminal.
3. Connect the other end of the first jumper 
cable to the booster battery  +  terminal.
u If you use a booster battery, only use a 
12-volt booster battery.
u When using an automotive battery 
charger, select a charging voltage lower 
than 15-volts. Check  the charger manual 
for the proper setting.
4. Connect the second jumper cable to the 
booster battery  -  terminal.■ Jump Starting Procedure 1 Jump Starting
Securely attach the jumper cable clips so that they do 
not come off when the power system vibrates. Also 
be careful not to  tangle the jumper  cables or allow 
the cable ends to touch eac h other while attaching or 
detaching the jumper cables.
12-volt Battery performa nce degrades in cold 
conditions and may prevent  the power system from 
starting.3
WARNING A 12-volt battery can explode if you do not 
follow the correct procedure, seriously 
injuring anyone nearby.
Keep all sparks, open flames, and smoking 
materials away from the 12-volt battery.
Battery Terminal Cover
Booster Battery18 CLARITY PHEV CSS-31TRW6000.book  539 ページ  2017年8月31日 木曜日 午後2時49分 

540 uu Jump Starting u
Handling the Unexpected 5. Connect the other end of the second 
jumper cable to the power system 
mounting bolt as shown. Do not connect 
this jumper cable to any other part of the 
vehicle.
6. If your vehicle is connected to another 
vehicle, start the assi sting vehicle’s engine, 
and increase its rpm slightly.
7. Attempt to start your vehicle’s power 
system. If it does not tu rn on, check that the 
jumper cables have good metal-to-metal 
contact.18 CLARITY PHEV CSS-31TRW6000.book  540 ページ  2017年8月31日 木曜日 午後2時49分 

541 uu Jump Starting u
Handling the Unexpected
Once your vehicle’s power system has sta rted, remove the jumper cables in the 
following order:
1. Disconnect the jumper cable from your vehicle’s ground.
2. Disconnect the other end of the jump er cable from the booster battery  -  
terminal.
3. Disconnect the jumper cable from  your vehicle’s 12-volt battery  +  terminal.
4. Disconnect the other end of the jump er cable from the booster battery  +  
terminal.
Have your vehicle inspected by a nearby  service station or an  authorized Honda 
Clarity Plug-In Hybrid dealer.■ What to Do After the Power System Starts 1 What to Do After the Power System Starts
The indicators for the Vehicle Stability Assist (VSA ® ) 
system, VSA ®  OFF, Collision Mitigation Braking 
System TM
 (CMBS TM
), and low tire pressure/Tire 
Pressure Monitoring System (TPMS) may come on 
along with a message in the driver information 
interface when you turn the power system on after 
reconnecting the battery.
Drive a short distance at 12 mph (20 km/h). The 
indicator should go off. If  it does not, have your 
vehicle checked by an aut horized Honda Clarity Plug-
In Hybrid dealer.18 CLARITY PHEV CSS-31TRW6000.book  541 ページ  2017年8月31日 木曜日 午後2時49分