HONDA CLARITY PLUG IN HYBRID 2018 Owners Manual

489uu Maintenance Under the Hood u Engine Coolant
Maintenance
1. Make sure the engine and radiator are
cool.
2. Turn the radiator cap 1/8 turn counter-
clockwise and relieve any pressure in the
cooling system.
3. Push down and turn the radiator cap
counter-clockwise to remove it.
4. The coolant level should be up to the base
of the filler neck. Add coolant if it is low.
5. Put the radiator cap back on, and tighten it
fully.■ Radiator 1 Radiator
NOTICE
Pour the fluid slowly and ca refully so you do not spill
any. Clean up any spills immediately; they can
damage components in the engine compartment.
3
WARNING Removing the radiator cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.Radiator Cap18 CLARITY PHEV CSS-31TRW6000.book 489 ページ ２０１７年８月３１日　木曜日　午後２時４９分

490 uu Maintenance Under the Hood u Cooling System
Maintenance Cooling System Coolant is used to reduce the temperature of the high voltage battery and inverter
coolant. When checking the c oolant level, make sure to follow the procedures listed
below. If the coolant level is below the MIN mark, have your vehicle inspected by an
authorized Honda Clarity Plug-In Hybrid dealer.
1. Check the fluid level in the tank.
2. If the coolant level has dropped below the
MIN level, have your vehicle serviced at an
authorized Honda Clarity Plug-In Hybrid
dealer.
u Only a properly trained technician can
refill the coolant an d check the system
for leaks.Specified coolant: Honda Long Life Antifreeze/Coolant Type 2
■ Checking the Inverter Coolant Level 1 Cooling System NOTICE
Genuine Honda engine coolan t is a 50/50 mixture of
antifreeze and water that can withstand freezing at
temperatures as low as about −31°F (−35°C). If your
vehicle is consistently subjected to temperatures
below this, the concentration of antifreeze in the
coolant should be increased. Consult an authorized
Honda Clarity Plug-In Hybr id dealer for details.
Only use the genuine Honda coolant.
Expansion Tank MAX
MIN18 CLARITY PHEV CSS-31TRW6000.book 490 ページ ２０１７年８月３１日　木曜日　午後２時４９分

491uu Maintenance Under the Hood u Cooling System
Maintenance
1. Check the fluid level in the tank from the
window.
2. If the coolant level has dropped below the
MIN level, have your ve hicle serviced at an
authorized Honda Clarity Plug-In Hybrid
dealer.
u Only a properly trained technician can
refill the coolant and check the system
for leaks.■ Checking the Coolant Level for the High Voltage Battery
and Related Parts MAX
MIN Window
Expansion Tank18 CLARITY PHEV CSS-31TRW6000.book 491 ページ ２０１７年８月３１日　木曜日　午後２時４９分

492 uu Maintenance Under the Hood u Transmission Fluid
Maintenance Transmission Fluid Have an authorized Honda Clarity Plug-In Hybrid dealer check the fluid level and
replace if necessary.
Do not attempt to check or change the transmission fluid yourself.
Brake Fluid The fluid level should be between the MIN
and MAX marks on the side of the reserve
tank.■ Transmission Fluid Specified fluid: Honda ATF DW-1 (automatic transmission fluid)
Specified fluid: Honda Heavy Duty Brake Fluid DOT 3
■ Checking the Brake Fluid 1 Transmission Fluid NOTICE
Do not mix Honda ATF DW-1 with other
transmission fluids.
Using a transmission flui d other than Honda ATF
DW-1 may adversely af fect the operation and
durability of your vehicle’ s transmission, and damage
the transmission.
Any damage caused by usi ng a transmission fluid that
is not equivalent to Honda ATF DW-1 is not covered
by Honda’s new vehi cle limited warranty.
1 Brake Fluid NOTICE
Brake fluid marked DOT 5 is not compatible with your
vehicle’s braking system and can cause extensive
damage.
If the specified brake fluid is not available, you should
use only DOT 3 or DOT 4 fluid from a sealed
container as a tem porary replacement.
Using any non-Honda brake fluid can cause corrosion
and decrease the longevity of the system. Have the
brake system flushed and re filled with Honda Heavy
Duty Brake Fluid DOT 3 as soon as possible.
If the brake fluid level is at or below the MIN mark,
have an authorized Hond a Clarity Plug-In Hybrid
dealer inspect the vehicle for leaks or worn brake
pads as soon as possible.Brake Reserve Tank MAX
MIN18 CLARITY PHEV CSS-31TRW6000.book 492 ページ ２０１７年８月３１日　木曜日　午後２時４９分

493uu Maintenance Under the Hood u Refilling Window Washer Fluid
Maintenance
Refilling Window Washer Fluid Check the amount of window washer fluid using the washer fluid level gauge on the
cap.
If the level is low, fill the washer reservoir.
If the washer fluid is low, the washer level
indicator comes on.
Pour the washer fluid carefully. Do not overflow the reservoir. 1 Refilling Window Washer Fluid NOTICE
Do not use engine antifreeze or a vinegar/water
solution in the windshield washer reservoir.
Antifreeze can damage y our vehicle’s paint. A
vinegar/water solution ca n damage the windshield
washer pump.
Use only commercially avai lable windshield washer
fluid.
Avoid prolonged use of hard water to prevent lime
scale build up.
Level Gauge Canadian models18 CLARITY PHEV CSS-31TRW6000.book 493 ページ ２０１７年８月３１日　木曜日　午後２時４９分

494
Maintenance Replacing Light Bulbs Headlights Headlights are LED type. Have an authoriz ed Honda Clarity Plug-In Hybrid dealer
inspect and replace the light assembly.
Front Turn Signal and Front Side Marker Lights Front turn signal and front side marker lights are LED type. Have an authorized
Honda Clarity Plug-In Hybrid dealer in spect and replace the light assembly.
Parking/Daytime Running Lights Parking/daytime running lights are LED type. Have an authorized Honda Clarity Plug-
In Hybrid dealer inspect a nd replace the light assembly. 1 Headlights
The headlight aim is set by the factory, and does not
need to be adjusted. Howeve r, if you regularly carry
heavy items in the trunk, have the aiming readjusted
at an authorized Honda Clar ity Plug-In Hybrid dealer
or by a qualif ied technician.18 CLARITY PHEV CSS-31TRW6000.book 494 ページ ２０１７年８月３１日　木曜日　午後２時４９分

495uu Replacing Light Bulbs u Taillights/Rear Side Marker, Brake and Rear Turn Signal Lights
Maintenance
Taillights/Rear Side Marker , Brake and Rear Turn
Signal Lights Taillights/rear side marker, brake and rear turn signal lights are LED type. Have an
authorized Honda Clarity Plug-In Hybrid dealer inspect and replace the light
assembly.
Taillights and Back-Up Lights Taillights and back-up lights are LED type. Have an authorized Honda Clarity Plug-In
Hybrid dealer inspect and replace the light assembly.
Rear License Plate Light Rear license plate light is LED type. Have an authorized Honda Clarity Plug-In Hybrid
dealer inspect and replace the light assembly.
High-Mount Brake Light High-mount brake light is LED type. Have an authorized Honda Clar ity Plug-In Hybrid
dealer inspect and replace the light assembly. 18 CLARITY PHEV CSS-31TRW6000.book 495 ページ ２０１７年８月３１日　木曜日　午後２時４９分

496
Maintenance Checking and Mainta ining Wiper BladesChecking Wiper Blades If the wiper blade rubber has deteriorated, it will leave streaks and the hard surfaces
of the blade may scratch the window glass.
Changing the Wiper Blade Rubber 1. Set the power mode to VEHICLE OFF
(LOCK).
2. While holding the wiper switch in the
MIST position, set the power mode to ON,
then to VEHICLE OFF (LOCK).
u Both wiper arms are set to the
maintenance position as shown in the
image.
3. Lift both wiper arms. 1 Changing the Wiper Blade Rubber NOTICE
Avoid dropping the wiper arm onto the windshield, it
may damage the wiper arm and/or the windshield.
When you raise a wiper arm, you may inadvertently
alter the position of the arm by applying undue force.
If you notice that an arm is not in its proper return
position, active the wipers once and they will
automatically reset.
2 Wipers and Washers P. 16618 CLARITY PHEV CSS-31TRW6000.book 496 ページ ２０１７年８月３１日　木曜日　午後２時４９分

497uu Checking and Maintaining Wiper Blades u Changing the Wiper Blade Rubber
Continued
Maintenance
4. Press and hold the ta b, then slide the
holder off the wiper arm.
5. Pull the end of the wiper blade in the
direction of the arrow in the image until it
is out of the holder’s end cap.
6. Pull the wiper blade in the opposite
direction to slide it out of the holder.Tab HolderWiper Arm
Wiper
Blade
End Cap at
the bottom
Holder18 CLARITY PHEV CSS-31TRW6000.book 497 ページ ２０１７年８月３１日　木曜日　午後２時４９分

498 uu Checking and Maintaining Wiper Blades u Changing the Wiper Blade Rubber
Maintenance 7. Insert the flat side of the new wiper blade
onto the bottom part of the holder. Insert
the blade all the way.
8. Install the end of the wiper blade into the
cap.
9. Slide the holder onto the wiper arm until it
locks.
10. Lower both wiper arms.
11. Set the power mode to ON and hold the
wiper switch in the MIST position until
both wiper arms return to the standard
position.Cap Wiper
Blade
Holder18 CLARITY PHEV CSS-31TRW6000.book 498 ページ ２０１７年８月３１日　木曜日　午後２時４９分