20
Quick Reference Guide
Ion Exchanger
An ion exchanger is installed in the fluid lines for the fuel cell in order to maintain the
insulation properties of the fuel cell insulating fluid (FC insulating fluid).
If the message Service Due Soon A appears on the driver information interface, ion
exchange filter replacement is necessary. Be sure to consult an authorized Honda Clarity
Fuel Cell dealer. 2 Indicators (P89)
Exhaust Pipe
Water is expelled from the tail pipe while the vehicle is running or while the High Voltage
battery is being charged. This also happens af ter the vehicle has been running or when you
shut down the FC system by setting the power mode to OFF. If you stand to the left rear of
the vehicle, you may be sprayed by this waste water.
Never drink water expelled from the pipe. Though this water is harmless, it is not suitable
for drinking.
While the vehicle is parked during cold temperatures, the FC system may automatically turn
on and discharge water from the ex haust pipe. If this water is discharged as a vapor, it may
appear as a white mist. This, however, is not indicative of a problem.
Do not obstruct or block the exhaust pi pe as the FC system may stop working.
Maintenance, Repair, and Disposal
Always consult an authorized Honda Clarity Fuel Cell dealer regarding maintenance, repair,
and disposal.
Fuel cells and High Voltage batteries that have been removed from disposed vehicles are
collected through authorized Honda Clarity Fuel Cell dealers. Do not dispose of those
batteries yourself.
WARNING
Do not directly touch any water emissions
from the exhaust pipe.
Water created during FC power generation
is discharged from the exhaust pipe in the
form of either liquid (water) or gas (steam).
Directly touching this water may cause
burns.
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38
Quick Reference Guide
Handling the Unexpected (P 489)
Flat Tire (P 490)
● Park in a safe location and repair the flat
tire using the temporary tire repair kit.
Indicators Come On
(P 513)
●Identify the indicator and consult the
owner’s manual.
Power System Won’t Start
(P 503)
● If the 12-volt battery is dead, jump start
using a booster battery.
Blown Fuse
(P 518)
● Check for a blown fuse if an electrical
device does not operate.
Overheating (P 509)
● 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 526)
●Call a professional towing service if you
need to tow your vehicle.
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102
uuIndicators uDriver Information Interface Wa rning and Information Messages
Instrument Panel
Driver Information Interface Warning and Information Messages
The following messages appear only on the driver information interface. Press th e (display/information) button to see the mess age
again with the system message indicator on.
MessageConditionExplanation
●Appears when the schedul ed maintenance is due
soon.
●Consequently, Service Due Now and Service Past
Due follow.
2Indicator, Warning Message and Maintenance
Minder Information on the Driver Information
Interface P. 454
●Appears as soon as a problem is detected in the
smart entry system or pus h button starting system.●Appears constantly - Have your vehicle checked by an
authorized Hond a Clarity Fuel Cell dealer.
●Appears when there is a pr oblem with the sensor on
the 12-volt battery.●Have your vehicle checked by an authorized Honda
Clarity Fuel Cell dealer.
2 Checking the 12-Volt Battery P. 477
●Appears along with the battery charging system
indicator when the battery is not charging.●Turn off the climate control system and rear defogger to
reduce electricity consumption.
2If the 12-Volt Battery Charging System Indicator
Comes On P. 513
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449
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 450
Safety When Performing Maintenance...451
Parts and Fluids Used in Maintenance Service ........................................... 452
Maintenance Minder
TM..................... 453
Maintenance Under the Hood Maintenance Items Under the Hood .. 457
Opening the Hood ........................... 458
Inverter Coolant ............................... 459
Transmission Fluid ............................ 461
Brake Fluid ....................................... 461 Refilling Window Wa
sher Fluid......... 462
Replacing Light Bulbs ....................... 463
Checking and Maintaining Wiper
Blades .......................................... 465
Checking and Maintaining Tires
Checking Tires ................................. 468
Tire and Loading Information Label .. 469
Tire Labeling .................................... 469
DOT Tire Quality Grading (U.S. Vehicles).. 471
Wear Indicators................................ 473
Tire Service Life ................................ 473
Tire and Wheel Replacement............ 474 Tire Rotation .................................... 475
Winter Tires ..................................... 476
12-Volt Battery ................................. 477
Remote Transmitter Care Replacing the Button Battery ........... 479
Climate Control System Maintenance.. 480
CleaningInterior Care .................................... 481
Exterior Care.................................... 483
Accessories and Modifications ........ 487
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454
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Maintenance
The system message indicator ( ) comes on al ong with the Maintenance Minder message.
*1 : The power system indicator comes on when an ion exchanger replacement is past due.
*2 : The messages appear alternately when an ion exchanger replacement is past due.
■Indicator, Warning Message and Maintenance Minder
Information on the Driver Information Interface
IndicatorWarning MessageMaintenance Minder
InformationExplanationInformation
—
Service Due SoonOne or more of the service
items are required in less than
30 days. Press the button
to switch to another display.The remaining days will
be counted down per
day.
—
Service Due NowOne or more of the service
items are required in less than
10 days. Press the button
to switch to another display.Have the indicated
service performed as
soon as possible.
Service Past DueThe indicated maintenance
service is still not done after the
remaining time reaches 0. Press
the button to switch to
another display.Your vehicle has passed
the service required
point.
Immediately have the
service performed and
make sure to reset the
Maintenance Minder
TM.*1
—*2
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455
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Continued
Maintenance
■Maintenance Service Items1Maintenance Service Items
•At each maintenance interval, check Fuel Cell
Insulating Fluid level and top up (to “Max” fill line)
with “Fuel Cell Insulati ng Fluid - 20% prediluted
formulation”
•Replace hydrogen ventil ation duct and drain,
hydrogen tank every 15 years without the
maintenance minder.
Maintenance Minder Message
System Message
Indicator
Maintenance Item Code(s)
CODEMaintenance Items
A
●Replace ion exchange filter
0●Inspect front and rear brakes●Check expiry date for Temporary Tire Repair Kit●Inspect these items: • Tie rod ends, steering gear box, and boots
• Suspension components
• Driveshaft boots
• Brake hoses and lines (including ABS/VSA)
• All fluid levels and condition of fluids
• Stay RR, RR Subframe
• Exhaust Diluter
1
●Rotate tires
2●Replace dust and pollen filter*1
3●Replace transmission fluid*2
5●Replace Fuel Cell Insulating Fluid - 50% prediluted
formulation*3
*1: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and from diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles.
*2: Driving in mountainous areas at very low vehicle speeds results in higher transmission temperatures. This requires transmission fluid changes more frequently than recommended by the Maintenance
Minder. If you regularly drive your vehicle under these conditions, have the transmission fluid changed
every 31,250 miles.
*3: If a Maintenance Minder message does not appear more than 12 year after the display for item 5 is reset, change Fuel Cell Insulating Fluid with “Fuel Cell Insulating Fluid - 50% prediluted formulation”
every 12 years.
*4: If a Maintenance Minder message does not appear more than 3 years after the display for item 7 is reset, change the brake fluid and replace air cleaner element every 3 years.
CODEMaintenance Items
7
●Replace brake fluid*4
●Replace air cleaner element*4
9●Inspect these items: • Hydrogen tank
• Hydrogen ventilation duct and drain
• Exhaust system
• Fuel lines and connections
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473
uuChecking and Maintaining Tires uWear Indicators
Maintenance
Wear Indicators
The groove where the wear indicator is
located is 1/16 inch (1.6 mm) shallower than
elsewhere on the tire. If the tread has worn so
that the indicator is ex posed, replace the tire.
Worn out tires have po or traction on wet
roads.
Tire Service Life
The life of your tires is dependent on many factors, including driving habits, road
conditions, vehicle loading, inflation pressure, maintenance history, speed, and
environmental conditions (even wh en the tires are not in use).
In addition to regular inspections and in flation pressure maintenance, it is
recommended that you have annual inspections performed once the tires reach five
years old. All tires should be removed fro m service after 10 years from the date of
manufacture, regardless of their condition or state of wear.
Example of a Wear
Indicator mark
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517
uuIndicator, Coming On/BlinkinguIf the Transmission System Indicator Blinks along with the Warning Message
Handling the Unexpected
If the Transmission System Indicator Blinks along
with the Warning Message
■Reasons for the indicator to blink
The transmission is malfunctioning.
■What to do when the indicator blinks
• Immediately have your vehicle inspected by
an authorized Honda Clarity Fuel Cell
dealer.
• Change the gear position to
(N after
turning the power system on.
u Check if the
(N position on the
instrument panel is lit and if the indicator
on the
(N button is lit or blinking.
u The power system cannot be turned on
unless the parking brake is set.
2 Turning on the Power P. 370
1If the Transmission System In dicator Blinks along with the
Warning Message
You may not be able to turn on the power system.
Make sure to set the parking brake when parking
your vehicle.
Call a professional towing service if you need to tow
your vehicle. 2 Emergency Towing P. 526
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