
372
Driving
Before Driving
Driving Preparation
Check the following items before you start driving.
• Make sure there are no obstructions on th e windows, door mirrors, exterior 
lights, or other parts of the vehicle.
u Remove any frost, snow, or ice.
u Remove any snow on the roof, as this can slip down and obstruct your field of 
vision while driving. If frozen solid , remove ice once it has softened.
u When removing ice from around the wheel s, be sure not to damage the wheel 
or wheel components.
• Make sure the hood is securely closed.
u If the hood opens while driving, your front view will be blocked.
• Make sure the tires are in good condition.
u Check air pressures, and check  for damage and excessive wear.
2Checking and Maintaining Tires  P. 501
•Make sure there are no people or ob jects behind or around the vehicle.
u There are blind spots from the inside.
• Disconnect the charging cable.
■Exterior Checks1Exterior Checks
NOTICE
When doors are frozen s hut, use warm water around 
the door edges to melt any ice. Do not try to force 
them open, as this can damage the rubber trim 
around the doors. When done, wipe dry to avoid 
further freezing.
Do not pour warm water  into the key cylinder.
You will be unable to insert the key if the water 
freezes in the hole.
Heat from the engine  and exhaust can ignite 
flammable material s left under the hood, causing a 
fire. If you’ve parked y our vehicle for an extended 
period, inspect and remove  any debris that may have 
collected, such as dried grass and leaves that have 
fallen or have been carried  in for use as a nest by a 
small animal. Also check  under the hood for leftover 
flammable materials after  you or someone else has 
performed maintenance on your vehicle.
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473
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 474
Safety When Performing Maintenance...475Parts and Fluids Used in Maintenance Service ........................................... 476
Maintenance Minder
TM..................... 477
Maintenance Under the Hood Maintenance Items Under the Hood .. 482
Opening the Hood ........................... 483
Recommended Engine Oil ................ 484
Oil Check ......................................... 485
Adding Engine Oil ............................ 486
Changing the Engine Oil and Oil Filter ...487 Engine Coolant ................................ 490
Cooling System ................................ 492
Transmission Fluid ............................ 494
Brake Fluid ....................................... 494
Refilling Window Washer Fluid......... 495
Replacing Light Bulbs ....................... 496Checking and Maintaining Wiper 
Blades .......................................... 498
Checking and Maintaining Tires
Checking Tires ................................. 501
Tire and Loading Information Label .. 502
Tire Labeling .................................... 502
DOT Tire Quality Grading (U.S. Vehicles).. 504
Wear Indicators ............................... 506
Tire Service Life ................................ 506
Tire and Wheel Replacement ........... 507
Tire Rotation .................................... 508
Winter Tires ..................................... 509
12-Volt Battery ................................. 510
Remote Transmitter Care Replacing the Button Battery ........... 512
Climate Control System Maintenance.. 513CleaningInterior Care .................................... 515
Exterior Care.................................... 517
Accessories and Modifications ........ 521
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483
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.
NOTICE
Do not press the engine cover forcibly. This may 
damage the engine cover and component parts.
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.
Pull
Hood Release Handle
Lever
Support RodGrip
Clamp
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487
uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Continued
Maintenance
Changing the Engine  Oil and Oil Filter
You must change the engine oil and oil fi lter regularly in order to maintain the 
engine's lubrication. The engine may be  damaged if they are not changed regularly.
Turning the power system on  automatically starts the engine if the High Voltage 
battery charge level gauge shows one segment or less.
2 High Voltage Battery Charge Level Gauge  P. 123
To start the engine, the vehicle needs to be in HV Charge.
2HV Button  P. 16
Change the oil and filter in  accordance with the maintenance message on the driver 
information interface.
1.Run the engine until it reaches normal 
operating temperature, and then turn the 
engine off.
u If necessary, drive the vehicle until the 
engine turns on.
2. Open the hood and remove the engine oil 
fill cap.
3. Remove the slotted head screws by 
turning 90° counterclockwise on the 
undercarriage and remove the under 
cover.
1Changing the Engine Oil and Oil Filter
NOTICE
You may damage the environment if you do not 
dispose of the oil in a suitable way. If you are 
changing the oil by yourself , appropriately dispose of 
the used oil. Put the oil in a sealed container and take 
it to a recycling center. Do not throw the oil away 
into a garbage can or onto the ground.
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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
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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.
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585
Index
Low Battery Charge (12-Volt).................  548
Low Fuel Indicator .....................................  91
Low Smart Entry Remote Signal  Strength ..................................................  138
Lower Anchors ...........................................  74
Luggage (Maximum Load Limit) .............  375
M
Maintenance............................................  473
12-Volt Battery .......................................  510
Brake Fluid ..............................................  494
Cleaning .................................................  515
Climate Control System ..........................  513
Coolant ..........................................  490, 492
Maintenance Minder
TM............................  477
Oil ..........................................................  485
Precautions .............................................  474
Radiator ..................................................  491
Remote Transmitter ................................  512
Replacing Light Bulbs ..............................  496
Safety .....................................................  475
Service Items ...........................................  479
Tires........................................................  501
Transmission Fluid ...................................  494
Under the Hood ......................................  482
Malfunction Indicator Lamp .....................  90
Map Lights ................................................  184
Maximum Load Limit ...............................  375
Meters, Gauges ........................................  121 Mirrors
.......................................................  173
Adjusting .................................................  173
Door........................................................  174
Exterior ....................................................  174
Interior Rearview .....................................  173
Modifications (and Accessories) ..............  521
Motor ........................................................  570
Jump Starting ..........................................  541
MP3 ...........................................................  264
Multi-View Rear Camera ..........................  452
N
Numbers (Identification)..........................  570
O
Odometer..................................................  126
Oil (Engine) ...............................................  484
Adding ....................................................  486
Checking .................................................  485
Displaying Oil Life ....................................  477
Recommended Engine Oil ........................  484
Viscosity ..................................................  484
Warning ..................................................  547
Open Source Licenses ...............................  305
Opening Trunk ..............................................  150, 566
Opening/Closing
Hood .......................................................  483
Power Windows ......................................  156 Trunk ......................................................  150
Operating the Switches Around the 
Steering Wheel .......................................  158
Outside Temperature Display ..................  126
Overheating ..............................................  544
P
Pandora®...................................................  262
Panic Mode ...............................................  155
Parking ......................................................  450
Parking Brake ...........................................  434
Parking Brake and Brake 
System Indicator (Red) .......  86, 87, 550, 552
Passenger Front Airb ag Off Indicator.......  67
Passing Indicators .....................................  162
Playing  Bluetooth ® Audio ........................  267
POWER Button .........................................  158
Power Flow Monitor ................................  132
Power System Turning on ..............................................  378
POWER SYSTEM Indicator ..........................  88
Power Windows .......................................  156
POWER/CHARGE Gauge ...........................  122
Precautions While Driving Rain ........................................................  382
Pregnant Women .......................................  52
Puncture (Tire) ..........................................  524
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