Page 470 of 667

468
uuWhen Driving uAuto Idle Stop
Driving
Auto Idle Stop
To help maximize fuel econ omy, the engine automatica lly stops when the vehicle
comes to a stop, depending on environmen tal and vehicle operating conditions. The
indicator (green) comes on at this time.
The engine then restarts once the vehicle is
about to move again, or depending on
environmental and vehicle operating
conditions, and the indicator (green) goes off.
2The Engine Automatically Restarts When
P. 472
A message associated with Auto Idle Stop
appears on the driver information interface.
2Indicators P. 76
2 Vehicle Customization P. 119
2 Customized Features P. 359
If the driver’s door is opened while the
indicator (green) comes on, a buzzer sounds
to notify you that the Auto Idle Stop function
is in operation.
1Auto Idle Stop
The 12-volt battery insta lled in this vehicle is
specifically designed for a m odel with Auto Idle Stop.
Using a 12-volt battery other than this specified type
may shorten the 12-volt ba ttery life, and prevent
Auto Idle Stop from activati ng. If you need to replace
the 12-volt battery, make sure to select the specified
type. Ask a dealer for more details.
The duration of the Au to Idle Stop operation:
•Increases in the ECON mode, compared to when
the ECON mode is off, with climate control in use.
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Page 472 of 667
470
uuWhen Driving uAuto Idle Stop
Driving
• The engine is started with the hood open.
u Turn off the engine. Close the hood before you restart the engine to activate
Auto Idle Stop.
• The battery charge is low.
• The internal temperature of the battery is 14°F (−10°C) or less.
• The climate control system is in use, an d the outside temperature is below −4°F
(−20°C) or over 104°F (40°C).
• The climate control system is in us e, and the temperature is set to Hi or Lo.
• is ON (indicator on).
• The rear fan is set to maximum speed.
u Auto Idle Stop may not ac tivate under other conditions when the rear climate
control system
*/rear cooling* is in use.
• When the Intelligent Traction Management is set to Snow, Mud*, or Sand*.
* Not available on all models
19 PASSPORT-31TGS6020.book 470 ページ 2020年2月20日 木曜日 午後3時29分
Page 473 of 667
471
uuWhen Driving uAuto Idle Stop
Continued
Driving
■Auto Idle Stop may not activate when:
• The vehicle is stopped by braking suddenly.
• The steering wheel is operated.
• The fan speed is high.
• Altitude is high.
• The climate control system is in use, an d there is a significant difference between
the set temperature and the actual interior temperature.
• The climate control system is in use, and humidity in the interior is high.
• The rear fan is set to maximum speed.
u Auto Idle Stop may not activate under other conditions when the rear climate
control system
*/rear cooling* is in use.
* Not available on all models
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Page 474 of 667

uuWhen Driving uAuto Idle Stop
472
Driving
The brake pedal is released.
■The engine restarts even if the brake pedal is depressed when:
• The Auto Idle Stop OFF button is pressed.
• When a steering wheel is operated.
• The transmission is put into
(R or (S, or when it is set from (N to (D.
u If you put the transmission into
(P after the Auto Idle Stop activates, the Auto
Idle Stop continues to operate. In this case, the engine restarts when you
change the gear position other than
(P. When changing the gear position, the
brake pedal must be firmly depressed.
• The pressure on the brake pedal is redu ced and the vehicle starts moving while
stopped on an incline.
• The pressure on the brake pedal is repeated ly applied and released slightly during
a stop.
• The battery charge becomes low.
• The accelerator pedal is depressed.
• The driver’s seat belt is unlatched.
• is ON (indicator on).
• The climate control system is in us e, and the difference between the set
temperature and actual interior temperature becomes significant.
• The climate control system is bein g used to dehumidify the interior.
• The rear fan is set to maximum speed.
u Auto Idle Stop may not ac tivate under other conditions when the rear climate
control system is in use.
• When the Intelligent Traction Management is set to Snow, Mud
*, or Sand*.
■The Engine Automatically Restarts When1The Engine Automatically Restarts When
If you are using an electroni c device during Auto Idle
Stop, the device may tempor arily be turned off when
the engine restarts.
* Not available on all models
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Page 476 of 667
474
uuWhen Driving uECON Mode
Driving
ECON Mode
The ECON button turns the ECON mode on
and off.
The ECON mode helps you improve your fuel
economy by adjusting the performance of the
engine, air conditioning system, and cruise
control.1 ECON Mode
While in ECON mode, the climate control system has
greater temperature fluctuations.
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Page 535 of 667
533
uuHonda Sensing ®u Front Sensor Camera
Driving
1Front Sensor Camera
If the Some Driver Assist Systems Cannot
Operate: Camera Temperature Too High
message appears:
•Use the climate control system to cool down the
interior and, if necessary, also use defroster mode
with the airflow directed towards the camera.
•Start driving the vehicle to lower the windshield
temperature, which cool s down the area around
the camera.
If the Some Driver Assist Systems Cannot
Operate: Clean Front Windshield message
appears:
•Park your vehicle in a sa fe place, and clean the
windshield. If the message does not disappear after
you have cleaned the windshield and driven for a
while, have your vehicle checked by a dealer.
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Page 559 of 667

557
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 558
Safety When Performing Maintenance..... 559Parts and Fluids Used in Maintenance Service ........................................... 560
Maintenance Minder
TM..................... 561
Maintenance Under the Hood
Maintenance Items Under the Hood ..... 567Opening the Hood ........................... 568
Engine Compartment Cover ............. 569
Recommended Engine Oil ................ 570
Oil Check ......................................... 571
Adding Engine Oil ............................ 572
Changing the Engine Oil and Oil Filter ..... 573Engine Coolant ................................ 575
Transmission Fluid ............................ 577
Brake Fluid ....................................... 578
Refilling Window Wa sher Fluid......... 578
Replacing Light Bulbs ....................... 579
Checking and Maintaining Wiper
Blades .......................................... 584
Checking and Maintaining Tires
Checking Tires ................................. 588
Tire and Loading Information Label .. 589
Tire Labeling .................................... 589
DOT Tire Quality Grading (U.S. Vehicles) .. 591
Wear Indicators ............................... 593
Tire Service Life ................................ 593
Tire and Wheel Replacement ........... 594
Tire Rotation .................................... 595
Winter Tires ..................................... 596
Battery ............................................... 597
Remote Transmitter Care ................. 599
Climate Control System Maintenance..... 600Cleaning
Interior Care .................................... 602
Exterior Care.................................... 604
Accessories and Modifications ........ 607
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591
uuChecking and Maintaining Tires uDOT Tire Quality Grading (U.S. Vehicles)
Continued
Maintenance
DOT Tire Quality Grading (U.S. Vehicles)
The tires on your vehicle m eet all U.S. Federal Safety
Requirements. All tires are also graded for treadwear, traction,
and temperature performance according to Department of
Transportation (DOT) standards. The following explains these
gradings.
Quality grades can be found where applicable on th e tire sidewall
between tread shoulder and maximum section width.
The treadwear grade is a comparative rating based on the wear
rate of the tire when tested un der controlled conditions on a
specified government test course. For example, a tire graded 150
would wear one and one-half (1 1/2) times as well on the
government course as a tire graded 100. The relative performance
of tires depends upon the actual conditions of their use, however,
and may depart significantly from the norm due to variations in
driving habits, service practi ces and differences in road
characteristics and climate.
■Uniform Tire Quality Grading
■Treadwear
1 Uniform Tire Quality Grading
For example:
Treadwear 200
Traction AA
Temperature A
All passenger car tires must conform
to Federal Safety Requirements in
addition to these grades.
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