2021 HONDA ACCORD SEDAN battery

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uuIndicators u
Continued
Instrument Panel
IndicatorNameOn/BlinkingExplanationMessage
Safety
Support
Indicator
(Amber)
●Comes on if there is a problem with
RDM, Low Speed Braking Control*,
CMBSTM, or the blind spot
information system*.
●Stays on constantly - Have your vehicle
checked by a dealer.
●Comes on if the RDM, Low Speed
Braking Control* and CMBSTM are
deactivated temporarily after the
battery has been disconnected and
then re-connected.
●Drive a short distance at more than 12 mph
(20 km/h). The indicator should go off. If it
does not, have your vehicle checked by a
dealer.
* Not available on all models

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uuIndicators uDriver Information Interface Wa rning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
•Appears if there is a problem with the shutter grille,
and the radiator coolant temperature is too high.
•Power output will be reduced , so you may not be able
to accelerate or maintain yo ur current speed. Have your
vehicle checked by a dealer.
●Appears when the washer fluid is low.
●Refill the washer fluid.
2 Refilling Window Washer Fluid P. 565
●Appears when the scheduled maintenance is due
soon.
●Consequently, Maintenance Due Now and
Maintenance Past Due follow.2Maintenance Minder Messages on the Driver
Information Interface P. 545
●Appears when there is a problem with the battery
charging system.●Have your vehicle checked by a dealer.
Models with shutter grille
Canadian models

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uuIndicators uDriver Information Interface Wa rning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
●Appears when the power mode is in ACCESSORY.
—
●Appears after the driver’s door is opened when the
power mode is in ACCESSORY.●Change the power mode to VEHICLE OFF.
2ENGINE START/STOP Button P. 191
●Appears when you close the door with the power
mode in ON without the remote inside the vehicle.●Disappears when you bring the remote back inside the
vehicle and close the door.
2 Remote Reminder P. 193
●Appears when the remote battery becomes weak.
2Replacing the Button Battery P. 588

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uuIndicators uDriver Information Interface Wa rning and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears if the 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 remote into contact with the
ENGINE START/STOP button.
2If the Remote Battery is Weak P. 606
●Appears when the starter system has a problem.●As a temporary measure, press and hold the ENGINE
START/STOP button for up to 15 seconds while
pressing the brake pedal, manually start the engine.
Have your vehicle checked by a dealer.
●Appears as soon as a problem is detected in the
smart entry system* or push button starting system.
●Appears constantly - Have your vehicle checked by a
dealer.
U.S.
Canada
* Not available on all models

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uuIndicators uDriver Information Interface Wa rning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
●Appears when Auto Idle Stop does not activate for
some reason.
●Appears when the engine restarts automatically.●Appears when the battery temperature is around
41°F (5°C) or lower.
2 Auto Idle Stop Activates When: P. 439
●Appears when Auto Idle Stop does not activate
because the climate control system is in use, and the
difference between the set temperature and actual
interior temperature becomes significant.
●Appears when Auto Idle Stop does not activate
because the engine coolant temperature is too low
or high.
●Appears when Auto Idle Stop does not activate
because the battery charge level is low.
●Appears when the battery is low performance.
Continuously variable transmission models

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uuIndicators uDriver Information Interface Wa rning and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears when Auto Idle Stop does not activate
because the pressure to the brake pedal is not
enough.●Depress the brake pedal firmly.
2 Auto Idle Stop* P. 437
●Appears when the system is under the following
conditions while Auto Idle Stop activates:
-The climate control system is in use, and the
difference between the set temperature and actual
interior temperature becomes significant.
- The humidity in the interior is high.
- The battery charge level is low.●The engine restarts automatically in a few seconds.
2 Auto Idle Stop* P. 437
2 The Engine Automatically Restarts When: P. 441
●Appears when the hood is opened.●Close the hood.
Continuously variable transmission models
* Not available on all models

167Continued
Controls
Locking and Unlocking the Doors
Key
This vehicle comes with the following keys:
Use the key to start and stop the engine, and to lock and unlock all the doors, fuel
fill door and to open the trunk.1 Key
All the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft. 2 Immobilizer System P. 184
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.
2 Remote Engine Start
* P. 416
Models with remote engine starter
Models without smart entry systemModels with smart entry system
* Not available on all models

uuLocking and Unlocking the Doors uKey
168
Controls
The built-in key can be used to lock/unlock the
doors or open the trunk when the remote
battery becomes weak and 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
remote until it clicks.
Contains a number that you will need if you
purchase a replacement key.
■Built-in Key
Built-in Key
Release Knob
■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.