Page 35 of 543
Quick Reference Guide
33
Handling the Unexpected (P 481)
Flat Tire (P 482)
● Park in a safe location and repair the flat 
tire using the temporary tire repair kit.
Indicators Come On 
(P 502)
●Identify the indica tor and consult the 
owner’s manual.
Power System Won’t Start 
(P 495)
● If the 12-volt battery is dead, jump start 
using a booster battery.
Blown Fuse 
 
(P 508)
● Check for a blown fuse if an electrical 
device does not operate.
Overheating (P 501)
● 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 515)
●Call a professional towing service if you 
need to tow your vehicle.
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98
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.
2Warning Message and Maintenance Minder 
Information on the Driver Information Interface  
P. 446
●Appears as soon as a problem is detected in the 
smart entry system or push  button starting system.●Appears constantly - Have your vehicle checked by an 
authorized Honda Clar ity Electric 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 Electric dealer.
2 Checking the 12-Volt Battery P. 468
●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.
2If the 12-Volt Battery Charging System Indicator 
Comes On  P. 502
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441
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 442
Safety When Performing Maintenance...443
Parts and Fluids Used in Maintenance Service ........................................... 444
Maintenance Minder
TM..................... 445
Maintenance Under the Hood Maintenance Items Under the Hood .. 449
Opening the Hood ........................... 450
Cooling System ................................ 451
Transmission Fluid ............................ 452
Brake Fluid ....................................... 452 Refilling Window Washer Fluid......... 453
Replacing Light Bulbs ....................... 454
Checking and Maintaining Wiper 
Blades .......................................... 456
Checking and Maintaining Tires
Checking Tires ................................. 459
Tire and Loading Information Label .. 460
Tire Labeling .................................... 460
DOT Tire Quality Grading (U.S. Vehicles).. 462
Wear Indicators................................ 464
Tire Service Life ................................ 464
Tire and Wheel Replacement............ 465 Tire Rotation .................................... 466
Winter Tires ..................................... 467
12-Volt Battery ................................. 468
Remote Transmitter Care Replacing the Button Battery ........... 470
Climate Control System Maintenance.. 471
CleaningInterior Care .................................... 472
Exterior Care.................................... 474
Accessories and Modifications ........ 478
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446
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Maintenance
The system message indicator ( ) comes on along with the Maintenance Minder message.
■Warning Message and Maintenance Minder Information on 
the Driver Information Interface
Warning 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.
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447
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Continued
Maintenance
■Maintenance Service Items
Maintenance Minder Message
System Message 
Indicator
Maintenance Item Code(s)
CODEMaintenance Items
0
●Inspect front and rear brakes●Check expiration 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
• Under body battery cover
1●Rotate tires
*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 3 years after the display for item 7 is  reset, change the brake fluid and replace air cleaner element every 3 years.
CODEMaintenance Items
2
●Replace dust and pollen filter*1
3●Replace transmission fluid*2
7●Replace brake fluid*3
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464
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 poor 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 pre ssure, maintenance history, speed, and 
environmental conditions (even when the tires are not in use).
In addition to regular in spections and inflation pres sure maintenance, it is 
recommended that you have annual inspecti ons 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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uuJump Starting u
500
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 jumper 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 jumper cable from the booster battery  + 
terminal.
Have your vehicle inspected by a nearby  service station or an authorized Honda 
Clarity Electric dealer.
■What to Do After the Power System Starts1 What to Do After the Power System Starts
The indicators for the Vehicle Stability Assist (VSA ®) 
system, VSA ® OFF, Collision Mitigation Braking 
System
TM (CMBSTM), 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 authorized Honda Clarity 
Electric dealer.
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507
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 Cl arity Electric dealer.
• Change the gear position to 
(N when you 
turn the power system on.
u Check if the 
(N position in the 
instrument panel and the indicator on 
the 
(N button light/blink.
u The power system cannot be turned on 
unless the parking brake is set.
2 Turning on the Power  P. 350
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. 515
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