Page 15 of 551

13
Quick Reference Guide
Sounds Unique to the Fuel Cell Vehicle
When you first start driving this vehicle, you likely will hear some unfamiliar sounds, particularly when you first turn on the power system, 
while driving, and just after parking. Some of these sounds are unique to this ve hicle’s powertrain, fuel, and climate control systems; others 
are similar to sounds generated by conventional automobiles that  typically are masked by louder noises absent from a vehicle of this design.
These sounds are not a cause for concern, and you will soon recognize them as normal and thus be able to detect any new or unus ual noise 
should one develop.
Certain sounds associated with your vehicle may be caused by:
● Pressurized intake air being released through the rear of the vehicle.
u This can happen if the accelerator is released suddenly when the vehicle is under a heavy load, such as when climbing a hill.
● The power system warming up.
u This sound is particularly loud when temperat ures are extremely low (below –4°F [–20°C]).
● Hydrogen gas flowing through the fuel line during refueling.
18 CLARITY FUEL CELL PPO-31TRT6100.book  13 ページ  2017年11月21日 火曜日 午後3時3分 
     
        
        Page 28 of 551

26
Quick Reference Guide
Instrument Panel (P 85)
Lights On Indicator
System Indicators
12-Volt Battery 
Charging System 
IndicatorAnti-lock Brake 
System (
ABS) 
Indicator
Vehicle Stability 
Assist®
 (VSA®) System 
Indicator
VSA ® OFF Indicator Electric Power 
Steering (EPS) 
System Indicator
Lights Indicators
High Beam Indicator
Seat Belt Reminder 
Indicator
System Indicators
System Message 
Indicator
Parking Brake and 
Brake System 
Indicator (Red) Supplemental 
Restraint System 
Indicator
Gauges (P 116)/Driver Information Interface (P 119)/
Head-Up Display 
(P 127)/System Indicators (P 86)
Low Tire Pressure/
TPMS Indicator Turn Signal and 
Hazard Warning 
Indicators
Speedometer
Automatic Brake Hold 
System Indicator Parking Brake and 
Brake System 
Indicator (Amber)
SPORT
 Mode Indicator
Collision Mitigation 
Brake System
TM 
(CMBSTM) Indicator
Road Departure 
Mitigation (RDM) 
Indicator
Immobilizer System Indicator/
Security System Alarm Indicator
Automatic Brake Hold 
Indicator
Head-Up Display
READY  Indicator
POWER SYSTEM  
Indicator
Gear Position 
Indicator
Fuel Gauge
Driver Information 
Interface
High Voltage Battery 
Charge Level Gauge
POWER/CHARGE 
Gauge
Low Fuel Indicator
Hydrogen Leak 
Indicator Adaptive Cruise 
Control (ACC) with 
Low Speed Follow 
(LSF) Indicator
Lane Keeping Assist 
System (LKAS) 
Indicator
18 CLARITY FUEL CELL PPO-31TRT6100.book  26 ページ  2017年11月21日 火曜日 午後3時3分 
     
        
        Page 41 of 551
39
Quick Reference Guide
What to Do If
Why do I hear an operating 
noise when applying the 
brakes?This can occur when the ABS activates and does not indicate a 
problem. Apply firm, steady pressure on the brake pedal. Never 
pump the brake pedal.
2Anti-lock Brake System (ABS)  (P430)
The rear door cannot be 
opened from inside the 
vehicle. Why?Check if the childproof lock is in 
the lock position. If so, open the 
rear door with the outside door 
handle.
To cancel this function, slide the 
lever up to the unlock position.
Why do the doors lock 
after I unlocked the doors?If you do not open the doors within 30 seconds, the doors are 
relocked automatically for security.
Why does the beeper 
sound when I open the 
driver’s door?The beeper sounds when:
●The power mode is in ACCESSORY.
●The exterior lights are left on.
18 CLARITY FUEL CELL PPO-31TRT6100.book  39 ページ  2017年11月21日 火曜日 午後3時3分 
     
        
        Page 62 of 551

60
uuAirbags uFront Airbags (SRS)
Safe Driving
■When front airbags should not deploy
Minor frontal crashes:  Front airbags were designed to supplement seat belts and 
help save lives, not to prevent minor scrapes, or even broken bones that might occur 
during a less than moderate-to-severe frontal crash.
Side impacts:  Front airbags can provide protection when a sudden deceleration 
causes a driver or front passenger to move  towards the front of the vehicle. Side 
airbags and side curtain airb ags have been specifically designed to help reduce the 
severity of injuries that can occur during a moderate-to-severe side impact which 
can cause the driver or passenger to  move towards the side of the vehicle.
Rear impacts: Head restraints and seat belts are your best protection during a rear 
impact. Front airbags cannot provide any significant protection and are not designed 
to deploy in such collisions.
Rollovers:  In a rollover, your best form of protection is a seat belt or, if your vehicle 
is equipped with a rollover sensor, both a se at belt and a side curtain airbag. Front 
airbags, however, are not designed to deploy in a rollover as they would provide 
little if any protection.
■When front airbags deploy with  little or no visible damage
Because the airbag system senses sudden deceleration, a strong impact to the 
vehicle framework or suspension might caus e one or more of the airbags to deploy. 
Examples include running into a curb, the edge of a hole, or other low fixed object 
that causes a sudden deceleration in th e vehicle chassis. Since the impact is 
underneath the vehicle, damage may not be readily apparent.
■When front airbags may not deploy, even though exterior damage 
appears severe
Since crushable body parts absorb crash energy during an impact, the amount of 
visible damage does not always indicate  proper airbag operation. In fact, some 
collisions can result in severe damage but no airbag deployment because the airbags 
would not have been needed or would not  have provided protection even if they 
had deployed.
18 CLARITY FUEL CELL PPO-31TRT6100.book  60 ページ  2017年11月21日 火曜日 午後3時3分 
     
        
        Page 65 of 551

63
uuAirbags uDriver’s Knee Airbag
Safe Driving
■When driver’s knee airbag deploys  with little or no visible damage
Because the airbag system senses sudden  deceleration, a strong impact to the 
vehicle framework or suspension might cause  one or more of the airbags to deploy.
Examples include running into a curb, the edge of a hole, or other low fixed object 
that causes a sudden deceleration in th e vehicle chassis. Since the impact is 
underneath the vehicle, damage  may not be readily apparent.
■When driver’s knee airbag may not  deploy, even though exterior damage 
appears severe
Since crushable body parts absorb crash energy during an impact, the amount of 
visible damage does not always indicate  proper airbag operation. In fact, some 
collisions can result in severe damage but no airbag deployment because the airbags 
would not have been needed or would not  have provided protection even if they 
had deployed.
18 CLARITY FUEL CELL PPO-31TRT6100.book  63 ページ  2017年11月21日 火曜日 午後3時3分 
     
        
        Page 67 of 551
65
uuAirbags uSide Airbags
Safe Driving
■When a side airbag deploys with little or no visible damage
Because the airbag system senses sudden acceleration, a strong impact to the side 
of the vehicle’s framework can cause a side  airbag to deploy. In such cases, there 
may be little or no damage, but the side  impact sensors detected a severe enough 
impact to deploy the airbag.
■When a side airbag may not deploy,  even though visible damage appears 
severe
It is possible for a side airbag to not deploy during an impact that results in 
apparently severe damage. This can occur  when the point of impact was toward the 
far front or rear of the vehicle, or when  the vehicle’s crushable body parts absorbed 
most of the crash energy. In either case , the side airbag would not have been 
needed nor provided protection even if it had deployed.
18 CLARITY FUEL CELL PPO-31TRT6100.book  65 ページ  2017年11月21日 火曜日 午後3時3分 
     
        
        Page 79 of 551

Continued77
uuChild Safety uSafety of Infants and Small Children
Safe DrivingA child seat can be installed with a lap/should er belt in any rear seat or, if absolutely 
necessary, the front passenger seat. 1.Place the child seat on the vehicle seat.
2. Route the seat belt through the child seat 
according to the seat manufacturer’s 
instructions, and insert  the latch plate into 
the buckle.
u Insert the latch plate fully until it clicks.
3. Slowly pull the shoulder part of the belt all 
the way out until it stops. This activates the 
lockable retractor.
4. Let the seat belt retract a few inches and 
check that the retractor has switched 
modes by pulling on the webbing. It should 
not pull out again until it is reset by 
removing the latch pl ate from the buckle.
u If you are able to pull the shoulder belt 
out, the lockable retractor is not 
activated. Slowly pull the seat belt all the 
way out, and repeat steps 3 – 4.
■Installing a Child Seat with a Lap/Shoulder Seat Belt1Installing a Child Seat with  a Lap/Shoulder Seat Belt
A child seat that is not  properly secured will not 
adequately protect a child  in a crash and may cause 
injury to the child or  other vehicle occupants.
18 CLARITY FUEL CELL PPO-31TRT6100.book  77 ページ  2017年11月21日 火曜日 午後3時3分 
     
        
        Page 88 of 551

86
Instrument Panel
Indicators
IndicatorNameOn/BlinkingExplanationMessage
Parking Brake 
and Brake 
System Indicator 
(Red)
●Comes on for a few seconds when 
you set the power mode to ON, 
then goes off if the parking brake 
has been released.
●Comes on when the parking brake 
is applied, and goes off when it is 
released.
●Comes on when the brake fluid 
level is low.
●Comes on if there is a problem 
with the brake system.
●The beeper sounds and the 
indicator comes on if you drive 
with the parking brake not fully 
released.
●Comes on while driving - Make sure 
the parking brake is released. Check the 
brake fluid level.
2 What to do when the indicator 
comes on while driving P. 514
●Comes on along with the parking 
brake and brake system indicator 
(amber)  - Immediately stop in a safe 
place. Contact an  authorized Honda 
Clarity Fuel Cell dealer for repair. The 
brake pedal becomes harder to operate. 
Depress the pedal further than you 
normally do.
●Comes on along with the ABS 
indicator  - Have your vehicle checked by 
an authorized Honda Clarity Fuel Cell 
dealer.
2 If the Brake System Indicator (Red) 
Comes On or Blinks P. 514
18 CLARITY FUEL CELL PPO-31TRT6100.book  86 ページ  2017年11月21日 火曜日 午後3時3分