2020 HONDA RIDGELINE key battery

94
uuIndicators uMulti-Information Display Warn ing and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears after the driver’s door is opened when the
power mode is in ACCESSORY.●Change the power mode to VEHICLE OFF.
2 ENGINE START/STOP Button P. 141
●Appears when you close the door with the power mode
in ON without the smart entry remote inside the vehicle.●Disappears when you bring the smart entry remote back
inside the vehicle and close the door.
2Smart Entry Remote Reminder P. 143
●Appears when the smart entry remote battery becomes
weak.
2Replacing the Button Battery P. 520
●Appears if the smart entry remote battery is too weak to
start the engine or the key is not within operating range
to start the engine.
The beeper sounds six times.●Bring the back of the smart entry remote into contact
with the ENGINE START/STOP button.
2If the Smart Entry Remote Battery is Weak P. 544
●Appears three seconds after the To Start, Hold
Remote Near Start Button , then To Start Engine:
Brake + Push messages appeared sequentially.●Unless you bring the back of the smart entry remote into
contact with the ENGINE START/STOP button, this
message does not appear.
2 If the Smart Entry Remote Battery is Weak P. 544

113Continued
Controls
Locking and Unlocking the Doors
Key
This vehicle comes with the following key:Use the key to start and stop the engine, and
to lock or unlock all the doors or open the
trunk.u The tailgate lock/unlock function is set to
disable as the factory default setting. The
tailgate lock/unlock f unction can be used
by using the audio/information screen.
2 Customized Features P. 295
1Key
All the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft. 2 Immobilizer System P. 132
Follow the advice below to prevent damage to the
keys:
•Do not leave the keys in direct sunlight, or in
locations with high temperature or high humidity.
•Do not drop the keys or set heavy objects on them.•Keep the keys away from liquids, dust and sand.
•Do not take the keys apart except for replacing the
battery.
If the circuits in the keys are damaged, the engine
may not start, and the remote transmitter may not
work.
If the keys do not work properly, have them
inspected by a dealer.
You can remotely start the engine using the remote
engine start. 2 Remote Engine Start P. 381
Smart Entry Remote

uuLocking and Unlocking the Doors uKey
114
Controls
The built-in key can be used to lock/unlock the
doors or open the trunk when the smart entry
remote battery becomes weak or the power
door lock/unlock operation is disabled.
To remove the built-in key, slide the release
knob and then pull out the key. To reinstall
the built-in key, push th e built-in key into the
smart entry remote until it clicks.
Contains a number that you will need if you
purchase a replacement key.
■Built-in Key
Release Knob Built-in Key
■Key Number Tag1
Key Number Tag
Keep the key number tag separate from the key in a
safe place outside of your vehicle.
If you wish to purchase an additional key, contact a
dealer. If you lose your key and you cannot start the
engine, contact a dealer.

129
Controls
Opening and Closing the Trunk
Precautions for Opening/Closing the Trunk
■Opening the trunk
Open the trunk all the way. u If it is not fully opened, the trunk lid may begin to close under its own weight.
■Closing the trunk
Keep the trunk lid closed while driving to:
u Avoid possible damage.
Using the key
If the smart entry remote battery or the ve hicle battery is dead, use the key instead
of the smart entry remote. 1.Swing open the tailgate.
2. Fully insert the key and turn it.
3. Open the trunk.
1Opening and Closing the Trunk
3WARNING
Swinging the tailgate open or closed while
anyone is in its path can cause serious
injury.
Make sure all passengers are clear of the
tailgate’s path before opening or closing it.

Continued133
uuSecurity System uSecurity System Alarm
Controls
■To deactivate the security system alarm
Unlock the vehicle using the key, remote tra nsmitter, or smart entry system, or the
power mode is set to ON. The system, alon g with the horn and flashing lights, is
deactivated.
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The power mode is set to VEHICLE OFF (LOCK).
• The hood is closed.
• All doors and trunk are locked from outsid e with the key, remote transmitter, or
smart entry system.
■When the security system alarm sets
The security system alarm in dicator in the instrument panel blinks and the blinking
interval changes after about 15 seconds.
■To cancel the security system alarm
The security system alarm is canceled wh en the vehicle is unlocked using the key,
remote transmitter, smart entry system, or the power mode is set to ON. The security
system alarm indicator goes off at the same time.
1 Security System Alarm
Do not set the security system alarm when someone
is in the vehicle or a window is open. The system can
accidentally activate when:
•Unlocking the door with the lock tab.•Opening the trunk with the trunk release or the
emergency trunk opener.
•Opening the hood with the hood release.
If the battery goes dead after you have set the
security system alarm, the security alarm may go off
once the battery is re charged or replaced.
If this occurs, deactivate the security system alarm by
unlocking a door using the ke y, remote transmitter,
or smart entry system.

uuWhen Driving uStarting the Engine
382
Driving
■To start the engine
When started remotely, the engine automati cally shuts off after 10 minutes of idling
and/or the brake pedal and ENGINE START/STOP button have not been pressed
simultaneously.
To extend the run time for another 10 mi nutes during the first run, press the
button, then press and hold the button. u Some exterior lights flash six times if a 10-minute extension request was
transmitted successfully.1Remote Engine Start
•The hood is open, or any door or the trunk is
unlocked.
•You have already used the remote twice to start
the engine.
•Another registered smart entry remote is in the
vehicle.
•There is any antenna failure.•The door is unlocked with the built-in key.
•The engine oil pressure is low.
•The engine coolant temper ature is extremely high.•The security system alarm is not set.
The engine may stop whil e it is running if:
•You do not start the vehicl e within 10 minutes of
starting the engine with the smart entry remote.
•The engine is stopped by using the smart entry
remote.
•There is any antenna failure.
•The security system alarm is not set.
•The door is unlocked with the built-in key.•The hood is open, or any door, or the trunk is
unlocked.
•The transmission is in a position other than ( P.•The engine coolant temper ature is extremely high.
•The battery is low.
•The engine oil pressure is low.•The Malfunction Indicator Lamp (MIL) comes on if
there is a problem with the emissions control
systems.
Press the button, then press and hold
the button.
Some exterior lights flash once.
LED: Blinks when any button is pressed. Go within the range,
and try again.
Some exterior lights flash six
times if the engine runs
successfully. Some exterior lights will not
flash if the engine does not
start.

520
Maintenance
Remote Transmitter Care
Replacing the Button Battery
If the indicator does not come on when th e button is pressed, replace the battery.
1. Remove the built-in key.
2. Remove the upper half of the cover by
carefully prying on the edge with a coin.
u Wrap a coin with a cloth to prevent
scratching the smart entry remote.
u Remove carefully to avoid losing the
buttons.
3. Make sure to replace the battery with the
correct polarity.
■Smart Entry Remote
1 Replacing the Button Battery
NOTICE
An improperly disposed of battery can damage the
environment. Always conf irm local regulations for
battery disposal.
Replacement batteries are commercially available or
at a dealer.
3WARNING
CHEMICAL BURN HAZARD
The battery that powers the remote
transmitter can cause severe internal burns
and can even lead to death if swallowed.
Keep new and used batteries away from
children.
If you suspect that a child has swallowed
the battery, seek medical attention
immediately.Battery type: CR2032
Battery

581
Index
Controls.................................................... 111
Conversation Mirror ................................ 177
Coolant (Engine) ...................................... 497
Adding to the Radiator ........................... 498
Adding to the Reserve Tank .................... 497
Overheating ............................................ 549
Creeping (Automatic Transmission) ........ 387
Cross Traffic Monitor ............................... 471
Cup Holders .............................................. 175
Customer Service Information ................ 578
Customized Features ............................... 295
D
Daytime Running Lights .......................... 149
Dead Battery ............................................ 546
Defaulting All the Settings ...................... 319
Defogger/Heated Door Mirror ................ 155
Defrosting the Windshield and Windows ................................................. 188
Devices that Emit Radio Waves ............... 571
Dimming Headlights .............................................. 145
Rearview Mirror ...................................... 160
Dipstick (Engine Oil) ................................ 493
Directional Signals (Turn Signal) ............. 144
Display Button .......................................... 204
Door Mirrors ............................................. 161
Doors ........................................................ 113
Auto Door Locking.................................. 126
Auto Door Unlocking .............................. 126 Door Open Message ............................ 34, 92
Key .......................................................... 113
Locking/Unlocking the Doors
from the Inside ................................ 14, 123
Locking/Unlocking the Doors
from the Outside ................................... 116
Lockout Prevention System ...................... 122
DOT Tire Quality Grading ........................ 512
Driving ....................................................... 357
Adaptive Cruise Control (ACC) ................ 432
Automatic Transmission ........................... 387
Braking .................................................... 462
Off-Highway Driving Guidelines ............... 377
Shifting ................................................... 388
Starting the Engine .................................. 379
Driving Guidelines for Your Utility Vehicle ..................................................... 385
Driving Position Memory System ............. 157
Dust and Pollen Filter ............................... 521
E
Eco Assist® System ...................................... 10
ECON Button ............................................. 396
ECON Mode Indicator ................................ 88
Electric Power Steering (EPS) System Indicator ............................................ 81, 553
Electronic Stability Control (ESC) ............. 404
Emergency ................................................ 562
Emergency Trunk Opener ........................ 131
Emissions Testing (Readiness Codes) ....... 573Engine
Coolant ................................................... 497
Jump Starting .......................................... 546
Oil ........................................................... 492
Remote Engine Start................................ 381
Starting ................................................... 379
Engine Compartment Cover .................... 491
Engine Coolant ......................................... 497
Adding to the Radiator ............................ 498
Adding to the Reserve Tank..................... 497
Overheating ............................................ 549
Temperature Gauge ................................ 106
Engine Oil ................................................. 492
Adding .................................................... 494
Checking................................................. 493
Displaying Oil Life .................................... 485
Low Oil Pressure Indicator ................. 75, 551
Recommended Engine Oil ....................... 492
ENGINE START/STOP Button .................... 141
EPS (Electric Power Steering) System Indicator............................................ 81, 553
Exhaust Gas Hazard
(Carbon Monoxide) .................................. 70
Exterior Care (Cleaning) ........................... 524
Exterior Mirrors ........................................ 161