
524
Handling the Unexpected
If a Tire Goes Flat
Temporarily Repairing a Flat Tire
If the tire has a large cut or is otherwise severely damaged, you will need to have the 
vehicle towed. If the tire only has a smal l puncture, from a nail for instance, you can 
use the temporary tire repair kit so that  you can drive to the nearest service station 
for a more permanent repair.
If a tire goes flat while driving, grasp  the steering wheel firmly, and brake gradually 
to reduce speed. Then stop in a safe place.
1. Park the vehicle on a firm, level, and non-slippery surface and apply the parking 
brake.
2. Change the gear position to 
(P.
3. Turn on the hazard warning lights an d set the power mode to VEHICLE OFF 
(LOCK).
1 Temporarily Repairing a Flat Tire
The kit should not be used in  the following situations. 
Instead, contact an authorized Honda Clarity Plug-In 
Hybrid dealer or roadside  assistance to have the 
vehicle towed.
•The tire sealant has expired.•More than one tire is punctured.
•The puncture or cut is larger than 3/16 inch (4 mm).
•The tire side wall is da maged or the puncture is 
outside the contact area.
•Damage has been caused by  driving with the tire 
extremely under inflated.
•The tire bead is no longer seated.•The rim is damaged.
Do not remove a nail or  screw that punctured the 
tire. If you remove it from the tire, you may not be 
able to repair the puncture using the kit.
When the puncture is:Kit Use
Smaller than 3/16 inch  (4 mm)Yes
Larger than 3/16 inch 
(4 mm)No
Contact 
Area
19 CLARITY PHEV-31TRW6100.book  524 ページ  2018年10月25日 木曜日 午後2時29分 

537Continued
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.
ChecklistConditionWhat to Do
Check if the related 
indicator or driver 
information interface 
messages come on.The  Remove Charger Connector  message appearsRemoving a charge connector. Set the power 
mode to ACCESSORY, then to ON.
The Low Battery Charge . Power Reduced. message appearsCharge the High Voltage battery.
2Charging  P. 457
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
2If the Smart Entry Remote Battery is Weak 
P. 539
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. 554
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 all fuses, or have your vehicle checked by 
an authorized Honda Clarity Plug-In Hybrid 
dealer.
2 Inspecting and Changing Fuses P. 562
1Checking 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. 541
19 CLARITY PHEV-31TRW6100.book  537 ページ  2018年10月25日 木曜日 午後2時29分 

541Continued
Handling the Unexpected
Jump Starting
Turn off the power to electric devices, such as the audio 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 Procedure1Jump 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.
3WARNING
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 Battery
19 CLARITY PHEV-31TRW6100.book  541 ページ  2018年10月25日 木曜日 午後2時29分 

544
Handling the Unexpected
Overheating
How to Handle Overheating
Overheating symptoms are as follows:
•The  High Temperature. Power Reduced. message appears on the multi-
information display.
• The  Stop Driving When Safe. Engine Temperature Too Hot  message appears 
on the multi-information display.
• Steam or spray comes out of the engine compartment.
The  High Temperature. Power Reduced.  message appears on the multi-
information display when the powe r system temperature is high.
2Driver Information Interface Warning and Information Messages  P. 103
1.Immediately park the vehicle in a safe place.
u Change the gear position to 
(P, and set the parking brake. Turn off all 
accessories and turn on  the hazard warning lights.
2. Keep the power mode in ON, and  wait until the message disappears.
u If the message does not disappear, have  the vehicle inspected at an authorized 
Honda Clarity Plug-In Hybrid dealer.
■The High Temperature. Power Reduced. Message Appears 
on the Multi-Information Display
19 CLARITY PHEV-31TRW6100.book  544 ページ  2018年10月25日 木曜日 午後2時29分 

Continued545
uuOverheating uHow to Handle Overheating
Handling the Unexpected
■First thing to do
1. Immediately park the vehicle in a safe place.
2. Turn off all accessories and turn on the hazard warning lights.
u No steam or spray present:  Keep the power system on and open the hood.
u Steam or spray is present:  Turn off the power system and wait until it 
subsides. Then open the hood.
■The Stop Driving When Safe. Engine Temperature Too Hot 
Message Appears on the Multi-Information Display1 The  Stop Driving When Safe.  Engine Temperature Too 
Hot Message Appears on the Multi-Information Display
NOTICE
Continuing to drive with the  Stop Driving When 
Safe. Engine Temperature Too Hot  message on 
the multi-information display may damage the 
engine.
3WARNING
Steam and spray from an overheated 
engine can seri ously scald you.
Do not open the hood  if steam is coming 
out.
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547
Handling the Unexpected
Indicator, Coming On/Blinking
If the Low Oil Pressure Warning Appears
■Reasons for the Warning to appear
Appears when the engine oil pressure is low.
■What to do as soon as the warning 
appears
1. Immediately park the vehicle on level 
ground in a safe place.
2. If necessary, turn the hazard warning lights 
on.
■What to do after parking the vehicle
1. Stop the engine and let it sit for 
approximately three minutes.
2. Open the hood and ch eck the oil level.
2Oil Check P. 485
3.Start the engine and check the low oil 
pressure warning.
u The warning disappears: Start driving 
again.
u The warning does not disappear within 
10 seconds: Immediately stop the engine 
and contact an authorized Honda Clarity 
Plug-In Hybrid dealer for repairs.
1If the Low Oil Pressure Warning Appears
NOTICE
Running the engine with low oil pressure can cause 
serious mechanical damage almost immediately.
19 CLARITY PHEV-31TRW6100.book  547 ページ  2018年10月25日 木曜日 午後2時29分 

583
Index
FluidsBrake ......................................................  494
Coolant ..........................................  490, 492
Transmission ...........................................  494
Windshield Washer .................................  495
FM/AM Radio ...........................................  243
Foot Brake ................................................  436
Front Airbags (SRS) ....................................  57
Front Seat Heaters ...................................  191
Front Seats ................................................  175
Adjusting ................................................  175
Front Sensor Camera ...............................  396
Fuel .....................................................  33, 454
Fuel Economy and CO
2 Emissions ............  472
Gauge ....................................................  121
Instant Fuel Economy ..............................  127
Range .....................................................  121
Recommendation....................................  454
Refueling ................................................  454
Requirement ...........................................  568
Fuel Economy and CO
2 Emissions ............  472
Fuel Fill Cap ........................................  33, 455
Fuel Fill Door ......................................  33, 455
Fuses .........................................................  555
Inspecting and Changing ........................  562
Locations ........................................  555, 558
G
Gasoline (Fuel)
Economy.................................................  472 Information .............................................  454
Refueling .................................................  454
Gauges ......................................................  121
Gear Position Indicator ......................  91, 386
Gear Shift Positions
Transmission ............................................  384
Glass (care) ........................................  516, 518
Glove Box ..................................................  185
H
Handling the Unexpected ........................  523
HandsFreeLink ® (HFL) ...............................  337
Automatic Import of  Cellular Phonebook 
and Call History .....................................  350
Displaying Messages ................................  364
HFL Buttons .............................................  337
HFL Menus ..............................................  340
HFL Status Display ...................................  339
In Case of Emergency ..............................  368
Limitations for Manua l Operation ............  339
Making a Call ..........................................  358
Options During a Call ..............................  361
Phone Setup ............................................  345
Phonebook Phonetic M odification ...........  354
Receiving a Call .......................................  361
Receiving a Text/E-mail Message ..............  362
Ring Tone ................................................  349
Selecting a Mail Account .........................  363
Speed Dial ...............................................  351
To Set Up Text/E-mail Message Options ...  348 Hazard Warning Button
..............................  6
HD Radio
TM...............................................  243
Head Restraints ........................................  178
Headlights .................................................  162
Aiming ....................................................  496
Automatic Operation...............................  163
Dimming .........................................  162, 165
Operating................................................  162
Heated Door Mirror Button .....................  169
Heaters (Seat) ...........................................  191
HFL (HandsFreeLink ®)...............................  337
High Beam Indicator ..................................  97
High Voltage Battery ...............................  469
Charging .................................................  457
High Voltage Battery Charge Level  Gauge ......................................................  123
High-Voltage Battery Monitoring System ..  2
Hill Start Assist System .............................  381
Home Screen .............................................  225
HomeLink ® Universal Transceiver ............  334
Honda App License Agreement ..............  291
Honda Sensing
TM........................................  34
HondaLink ®...............................................  269
HV Button ...................................................  16
HV Charge ...................................................  17
HV Charge Indicator ...................................  89
HV Indicator ................................................  89
19 CLARITY PHEV-31TRW6100.book  583 ページ  2018年10月25日 木曜日 午後2時29分 

584
Index
I
Identification NumbersEngine, Motor, and Transmission ............. 570
Vehicle Identification ............................... 570
Immobilizer System .................................. 153
Indicator ....................................................  97
Indicators .....................................................  86
12-Volt Battery Charging System .......  90, 548
Adaptive Cruise Control (ACC) with  Low Speed Follow (LSF) ..................  100, 403
Anti-lock Brake System (ABS) .....................  93
Automatic Brake Hold........................  87, 438
Automatic Brake Hold System ............  87, 438
Collision Mitigati on Braking System
TM 
(CMBSTM) .......................................  101, 102
Deceleration Paddle  Selector ......................  91
ECON Mode ..............................................  98
Electric Power Steering (EPS) System ..  94, 551
EV .............................................................  89
Gear Position .............................................  91
High Beam.................................................  97
HV .............................................................  89
HV Charge.................................................  89
Immobilizer System ....................................  97
Lane Keeping Assist System (LKAS) ..  101, 420
Lights On ...................................................  97
Low Fuel ....................................................  91
Low Tire Pressure/TPMS .............  96, 428, 430
Malfunction Indicator Lamp .......................  90
Parking Brake and Brake System  (Amber) ...........................................  88, 552 Parking Brake and Brake 
System (Red)......................  86, 87, 550, 552
POWER SYSTEM ........................................  88
READY ......................................................  90
Road Departure Mitigation (RDM) .............  99
Seat Belt Reminder ..............................  49, 93
Security System Alarm ...............................  98
SPORT Mode .....................................  98, 391
Supplemental Restraint System ............  66, 94
System Message ........................................  98
Transmission System..................................  92
Turn Signal and Hazard Warning ...............  97
Vehicle Stability Assist ® (VSA ®) OFF ....  95, 426
Vehicle Stability Assist ® (VSA ®) 
System ............................................  95, 425
Information ..............................................  567
Instant Fuel Economy ...............................  127
Instrument Panel ........................................  85
Interior Lights ...........................................  183
Interior Rearview Mirror ..........................  173
iPod ...........................................................  255
J
Jacking Points ...........................................  536
Jump Starting ...........................................  541
K
Key Number Tag .......................................  138
Keyless Lockout Prevention .....................  145Keys
...........................................................  137
Lockout Prevention .................................  145
Number Tag............................................  138
Rear Door Won’t Open ...........................  148
Remote Transmitter ................................  143
Types and Functions................................  137
Kickdown ..................................................  383
L
Lane Keeping Assist System (LKAS) ........  418
LaneWatchTM............................................  432
LATCH (Child Seats) ...................................  74
Lights ................................................  162, 496
Automatic...............................................  163
Bulb Replacement ...................................  496
Daytime Running Lights ..........................  165
High Beam Indicator .................................  97
Interior....................................................  183
Light Switches.........................................  162
Lights On Indicator....................................  97
Turn Signals ............................................  161
Load Limits ...............................................  375
Locking/Unlocking ...................................  137
Auto Door Locking/Unlocking .................  149
Childproof Door Locks ............................  148
From Inside .............................................  146
From Outside ..........................................  139
Keys........................................................  137
Using a Key.............................................  144
Lockout Prevention System .....................  145
19 CLARITY PHEV-31TRW6100.book  584 ページ  2018年10月25日 木曜日 午後2時29分