Page 386 of 559
uuWhen Driving uFront Sensor Camera
384
Driving
1Front Sensor Camera
If the Some Driver Assist Systems Cannot 
Operate: Camera Temperature Too High  message 
appears:
•Use the climate control system to cool down the 
interior and, if necessary,  also use defroster mode 
with the airflow directed towards the camera.
•Start driving the vehicle to lower the windshield 
temperature, which cool s down the area around 
the camera.
If the Some Driver Assist Systems Cannot 
Operate: Clean Front Windshield  message 
appears:
•Park your vehicle in a sa fe place, and clean the 
windshield. If the message  does not disappear after 
you have cleaned the windshield and driven for a 
while, have your vehicle  checked by an authorized 
Honda Clarity Electric dealer.
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Continued445
uuCharging uCharge the High Voltage battery using a Level 1, 2 or SAE J1772 DC charger
Driving
5. Open the charge lid.
6. To connect the cable to the vehicle, push 
the cable’s charging conn ector until it clicks 
to the charge lid.
u The charge indicator on the charge lid 
stays on.
■When charging is completed
Press the release button on the charging 
connector to disengage it from the inlet.
The charge indicator goes off once charging is 
completed.
1 How to Charge (Level 2)
The charge speed slows down towards the 
completion of the battery charging.
The charge lid can open by remote transmitter.
The High Voltage battery may  not be charged even if 
the charge connector is properly connected to the 
vehicle’s inlet when the charging timer is set but the 
timer has not yet started.
Be sure to follow the instructions and safety 
precautions provided with the Level 2 charging 
equipment.
While the vehicle is charging or is parked after 
running, the compressor may operate to melt any 
frost that has formed on the climate control system.
Water from the melt ed frost drains out through the 
front section of the vehi cle, near the undercover.
If you unplug the charging connector from the inlet, 
charging cancels automatically.Charge Lid
Charge Indicator
Charging Connector
Release Button
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uuCharging uCharge the High Voltage battery using a Level 1, 2 or SAE J1772 DC charger
446
Driving
1. Stop your vehicle at  a station specific for 
electric vehicles. Park with the charge lid 
closest to the charge plug, just in front of 
the driver’s door.
2. Put the transmission into 
(P.
3. Turn off the power system.
4. Press and hold the charge lid release 
button.
u The lid opens.
u The illumination lamp inside the charge 
lid comes on for a few minutes.
5. Open the charge lid.
6. Remove the inlet cap.
■How to Charge (DC)1How to Charge (DC)
The charge speed slows down towards the 
completion of the battery charging.
The charge lid can open by remote transmitter.
Be sure to follow the instructions and safety 
precautions provided with the SAE J1772 DC charger 
equipment.
While the vehicle is charging or is parked after 
running, the compressor may operate to melt any 
frost that has formed on the climate control system. 
Water from the melt ed frost drains out through the 
front section of the vehi cle, near the undercover.
Lid Open 
Button
Charge Lid
Inlet Cap
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452
uuCharging uControl Box
Driving
Shows the High Voltage battery charging status.
If it blinks for a while, then st ays on after the charging connector is plugged in, it indicates that the 
battery is being charged.
■Charge Indicator on the Vehicle Side
Charge Indicator
Indicator statusExplanation
Blinks slowly
●The charger is ready to charge the battery.●Charging is programmed to start using the timer. u The indicator goes off after about 15 seconds.
Stays on
●The battery is being charged.●The climate control system is activate d with the remote while the charging 
cable is plugged in.
Goes off●Charging is complete.
Blinks once after 
staying on for a  few seconds.●The battery has been fully charged and the battery heating system has been 
activated.
Blinks rapidly
●When the 12-volt battery is disconnected.u After reconnecting the batt ery, turn the power system on, then turn it off.
The charging connector is replugged in. Confirm that charging is possible.
●There is a problem with  the charging system.
u The indicator goes off after 15 seconds. Charging does not start.
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457
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 458
Safety When Performing Maintenance...459
Parts and Fluids Used in Maintenance Service ........................................... 460
Maintenance Minder
TM..................... 461
Maintenance Under the Hood Maintenance Items Under the Hood .. 465
Opening the Hood ........................... 466
Cooling System ................................ 467
Transmission Fluid ............................ 468
Brake Fluid ....................................... 468 Refilling Window Wa
sher Fluid......... 469
Replacing Light Bulbs ....................... 470
Checking and Maintaining Wiper 
Blades .......................................... 472
Checking and Maintaining Tires
Checking Tires ................................. 475
Tire and Loading Information Label .. 476
Tire Labeling .................................... 476
DOT Tire Quality Grading (U.S. Vehicles).. 478
Wear Indicators................................ 480
Tire Service Life ................................ 480
Tire and Wheel Replacement............ 481 Tire Rotation .................................... 482
Winter Tires ..................................... 483
12-Volt Battery ................................. 484
Remote Transmitter Care Replacing the Button Battery ........... 486
Climate Control System Maintenance.. 487
CleaningInterior Care .................................... 488
Exterior Care.................................... 490
Accessories and Modifications ........ 494
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466
uuMaintenance Under the Hood uOpening the Hood
Maintenance
Opening the Hood
1. Park the vehicle on a level surface, and set 
the parking brake.
2. Pull the hood release handle under the 
driver’s side lower corner of the dashboard.
u The hood will pop up slightly.
3. Push the hood latch lever (located under 
the front edge of the hood to the center) to 
the side and raise the hood. Once you have 
raised the hood slightly, you can release the 
lever.
4. Remove the support rod from the clamp 
using the grip. Mount the support rod in 
the hood.
When closing, remove  the support rod, and 
stow it in the clamp,  then gently lower the 
hood. Remove your hand at a height of 
approximately 12 inches (30 cm) and let the 
hood close.1 Opening the Hood
NOTICE
Do not open the hood when the wiper arms are 
raised. The hood will strike  the wipers, resulting in 
possible damage to the hood and/or the wipers.
When closing the hood, check that the hood is 
securely latched.
If the hood latch lever moves  stiffly, or if you can 
open the hood without lifti ng the lever, the latch 
mechanism should be cl eaned and lubricated.
The radiator fans and the  climate control system will 
not operate, when the hood is open and any of the 
following conditions are met.
•The climate control system is turned on with the 
remote transmitter.
•The compressor operates to melt any frost that has 
formed on the climate control system.
Pull
Hood Release Handle
Lever
Support RodGrip
Clamp
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478
uuChecking and Maintaining Tires uDOT Tire Quality Grading (U.S. Vehicles)
Maintenance
DOT Tire Quality Grading (U.S. Vehicles)
The tires on your vehicle meet all U.S. Federal Safety 
Requirements. All tires are also  graded for treadwear, traction, 
and temperature performance a ccording to Department of 
Transportation (DOT) standards. The following explains these 
gradings.
Quality grades can be found where  applicable on the tire sidewall 
between tread shoulder an d maximum section width.
The treadwear grade is a comparative rating based on the wear 
rate of the tire when tested un der controlled conditions on a 
specified government test course. For example, a tire graded 150 
would wear one and one-half (1 1/2) times as well on the 
government course as a tire graded 100. The relative performance 
of tires depends upon the actual  conditions of their use, however, 
and may depart significantly from  the norm due to variations in 
driving habits, service practices and differences in road 
characteristics and climate.
■Uniform Tire Quality Grading
■Treadwear
1 Uniform Tire Quality Grading
For example:
Treadwear 200
Traction AA
Temperature A
All passenger car tires must conform 
to Federal Safety Requirements in 
addition to these grades.
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487
Maintenance
Climate Control System Maintenance
Air Conditioning
To ensure proper and safe operation, the Society of Automotive Engineers (SAE 
J2845) recommends that the refrigerant system only be serviced by trained and 
certified technicians.
Never repair or replace the air conditio ning evaporator (cooling coil) with one 
removed from a used or salvaged vehicle.
New replacement mobile air conditioning  evaporators must be certified (and 
labeled) as meeting SAE Standard J2842.
Dust and Pollen Filter
The climate control system is equipped with  a dust and pollen filter that collects 
pollen, dust, and other debris in the air. The Maintenance MinderTM messages will let 
you know when to  replace the filter.
We recommend that you repl ace the dust and pollen filter sooner when using your 
vehicle in areas with high concentrations of dust.
1 Climate Control System Maintenance
NOTICE
Vented refrigerant is harmful to the environment.
To avoid refrigerant from  venting, never replace the 
evaporator with one re moved from a used or 
salvaged vehicle.
Refrigerant in your  vehicle’s air conditioning system is 
flammable and can be igni ted during servicing if 
proper procedures  are not followed.
The air conditioner labe l is found under the hood:
2 Safety Labels  P. 80
2 Specifications  P. 536
1Dust and Pollen Filter
If the airflow from the climate control system 
deteriorates noticeably, and the windows fog up 
easily, the filter may need to be replaced. Please 
contact an authorized Honda  Clarity Electric dealer 
for replacement.
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