2021 HONDA CIVIC HATCHBACK battery replacement

uuLocking and Unlocking the Doors uLow Smart Entry Remote Signal Strength*
146
Controls
Contains a number that you will need if you
purchase a replacement key.
Low Smart Entry Remo te Signal Strength*
The vehicle transmits radio waves to loca te the smart entry remote when locking/
unlocking the doors and hatch, or to start the engine.
In the following cases, locking/unlocking the doors and hatch, or starting the engine
may be inhibited or operation may be unstable:
• Strong radio waves are being tra nsmitted by nearby equipment.
• You are carrying the smart entry remote together with telecommunications
equipment, laptop computers, ce ll phones, or wireless devices.
• A metallic object is touching or covering the smart entry remote.
■Key Number Tag1Key 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.
1 Low Smart Entry Remote Signal Strength*
Communication between the smart entry remote and
the vehicle consumes the smart entry remote’s
battery.
Battery life is about two years, but this varies
depending on regularity of use.
The battery is consumed whenever the smart entry
remote is receivi ng strong radio wave s. Avoid placing
it near electrical appliances such as televisions and
personal computers.
* Not available on all models
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569
Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 570
Safety When Performing Maintenance .... 571Parts and Fluids Used in Maintenance Service ........................................... 572
Maintenance Minder
TM..................... 573
Maintenance Under the Hood
Maintenance Items Un der the Hood .... 579Opening the Hood ........................... 581
Recommended Engine Oil ................ 582
Oil Check ......................................... 583
Adding Engine Oil ............................ 585
Changing the Engine Oil and Oil Filter..... 586
Engine Coolant ................................ 589
Transmission Fluid ............................ 591
Brake/Clutch
* Fluid .......................... 592
Refilling Window Washer Fluid......... 593
Replacing Light Bulbs ....................... 594
Checking and Maintaining Wiper
Blades .......................................... 604
Checking and Maintaining Tires
Checking Tires ................................. 609
Tire and Loading Information Label ..... 610Tire Labeling .................................... 610DOT Tire Quality Grading (U.S. Vehicles) ...... 612Wear Indicators................................ 614 Tire Service Life ................................ 614
Tire and Wheel Replacement ........... 615
Tire Rotation .................................... 616
Winter Tires ..................................... 617
Cold Weather Driving ...................... 619
Battery ............................................... 620
Remote Transmitter Care Replacing the Button Battery ........... 622
Climate Control System Maintenance .. 624Cleaning
Interior Care .................................... 625
Exterior Care.................................... 628
Accessories and Modifications ........ 631
* Not available on all models
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621
uuBattery uCharging the Battery
Maintenance
Charging the Battery
Disconnect both battery cables to prevent damaging your vehicle’s electrical system.
Always disconnect the negative (–) cable first, and reconnect it last.
*1: Models with the smart entry system have an ENGINE START/STOP button instead of an
ignition switch.
1 Battery
When you find corrosion, cl ean the battery terminals
by applying a baking powder and water solution.
Clean the terminals with a damp towel. Cloth/towel
dry the battery. Coat the terminals with grease to
help prevent future corrosion.
When replacing the battery, the replacement must be
of the same specifications.
Consult a dealer for more information.
The indicators for the Adaptive Cruise Control
(ACC)
*, Adaptive Cruise Control (ACC) with Low
Speed Follow*, Road Departure Mitigation (RDM),
Vehicle Stability AssistTM (VSA ®) System, Vehicle
Stability AssistTM (VSA ®) OFF, low tire Pressure/TPMS*
and Collision Mitiga tion Braking SystemTM (CMBSTM)
may come on when you turn the ignition switch to
ON
( w*1 after reconnecting a battery.
Drive a short distance at more than 12 mph (20 km/h).
Each indicator should go off. If none of them do,
have your vehicle ch ecked by a dealer.
* Not available on all models
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622
Maintenance
Remote Transmitter Care
Replacing the Button Battery
If the indicator does not come on when the button is pressed, replace the battery.
1. Unscrew the cover with a small Phillips-
head screwdriver.
2. Open the remote transmitter.
u Wrap the small flat-tip screwdriver with a
cloth to prevent scratching the
transmitter.
3. Remove the button battery with the small
flat-tip screwdriver.
4. Make sure to replace the battery with the
correct polarity.
■Master Keys with Remote Transmitter*
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.ScrewBattery type: CR1620
Battery
* Not available on all models
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693
uuWarranty Coverages u
Continued
Information
Replacement Battery Limited Warranty – provides prorated coverage for a
replacement battery purch ased from your dealer.
Replacement Muffler Lifeti me Limited Warranty – provides coverage for as
long as the purchaser of the muffler owns the vehicle.
Restrictions and exclusions apply to all these warranties. Please read the Honda
warranty information booklet th at came with your vehicle for precise information on
warranty coverages. Your vehicle’s original tires are covered by their manufacturer.
Tire warranty information is in a separate booklet.
■Statement on Warranty Coverage for Aftermarket and Recycled Parts
The Magnuson-Moss Warranty Act, 15 U.S.C. s.2301 et seq., makes it illegal for
motor vehicle manufacturers to void a motor vehicle warranty or deny warranty
coverage solely because an aftermarket or recycled part has been used to repair the
vehicle or someone other than the authoriz ed service provider performed service on
the vehicle. This provision does not apply to a new motor vehicle purchased solely
for commercial or industrial use.
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699
Index
Wi-Fi Connection .................................... 310
Audio/Information Screen ............... 234, 252
Authorized Manuals ................................ 695
Auto Door Locking/Unlocking ................ 159
Customize .............................................. 140
Auto High-Beam ...................................... 181
Automatic Brake Hold ............................. 553
Indicator ........................................... 84, 553
Automatic Brake Hold System Indicator ........................................... 84, 553
Automatic Lighting .................................. 178
Average Fuel Economy ............................ 128
Average Speed ......................................... 128
B
Battery...................................................... 620
Charging System Indicator ................ 85, 668
If the Battery Is Dead............................... 662
Maintenance (Checking the Battery) ....... 620
Maintenance (Replacing) ......................... 622
Belts (Seat) .................................................. 40
Beverage Holders ..................................... 205
Bluetooth ® Audio ..................................... 303
Bluetooth ® HandsFreeLink ®........... 383, 410
Booster Seats (For Children) ...................... 78
Brake System ............................................ 549
Anti-lock Brake System (ABS) .................. 556
Automatic Brake Hold ............................. 553
Brake Assist System................................. 557
Fluid ....................................................... 592 Foot Brake ............................................... 552
Indicator (Red) ........................... 82, 670, 671
Parking Brake .......................................... 549
Braking Pressure Meter ............................ 131
Brightness Control (Instrument Panel) .... 187
Bulb Replacement .................................... 594
Brake Light, Rear Tu rn Signal Light and
Back-Up Light ........................................ 602
Fog Lights ................................................ 596
Front Side Marker Lights .......................... 599
Front Turn Signal Lights ........................... 598
Headlights ............................................... 594
High-Mount Brake Light .......................... 603
Parking/Daytime Running Lights .............. 601
Rear License Plate Light ........................... 603
Side Turn Signal/Em ergency Indicator
Lights .................................................... 601
Taillights .................................................. 603
Taillights/Rear Side Marker Lights ............. 603
Bulb Specifications ................................... 684
C
Carbon Monoxide Gas ................................ 79
Cargo Area Cover ..................................... 213
Cargo Hook ............................................... 212
Carrying Cargo .................................. 445, 447
Certification Label .................................... 686
Changing Bulbs ......................................... 594
Charging System Indicator ................. 85, 668Child Safety
................................................. 64
Childproof Door Locks............................. 158
Child Seat .................................................... 64
Booster Seats ............................................ 78
Child Seat for Infants................................. 66
Child Seat for Small Children ..................... 67
Installing a Child Seat with a Lap/Shoulder
Seat Belt .................................................. 72
Larger Children ......................................... 77
Rear-facing Child Seat ............................... 66
Selecting a Child Seat ................................ 68
Using a Tether ........................................... 74
Childproof Door Locks ............................. 158
Cleaning the Exterior ............................... 628
Cleaning the Interior ................................ 625
Climate Control System ............................ 217
Changing the Mode ................................ 217
Defrosting the Windshield and Windows ............................................... 221
Dust and Pollen Filter............................... 624
Recirculation/Fresh Air Mode ................... 220
Sensors ................................................... 224
Using Automatic Climate Control ............ 217
CMBSTM (Collision Mitigation Braking
SystemTM) ................................................. 491
Coat Hooks ............................................... 211
Collision Mitigation Braking System
TM
(CMBSTM) ................................................. 491
Compact Spare Tire .......................... 648, 685
Console Compartment ............................. 204
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704
Index
Pregnant Women....................................... 46
Puncture (Tire) .......................................... 635
R
Radar Sensor............................................. 548
Radio (FM/AM) .................................. 240, 280
Radio (SiriusXM ®)...................................... 283
Radio Data System (RDS) .................. 241, 282
Range ........................................................ 128
RDS (Radio Data System) .................. 241, 282
Readiness Codes (Emissions Testing) ....... 689
Rear Defogger/Heated Door Mirror
Button ...................................................... 188
Rear Seat Heaters ..................................... 216
Rear Seats (Folding Down) ....................... 199
Rearview Mirror ........................................ 190
Refueling ................................................... 562
Fuel Gauge .............................................. 122
Gasoline .......................................... 562, 684
Low Fuel Indicator ..................................... 88
Regulations ............................... 486, 612, 687
Remote Engine Start ................................ 456
Remote Transmitter .................................. 153
Replacement Battery..................................................... 622
Bulbs ....................................................... 594
Fuses ............................................... 674, 676
Tires ........................................................ 615
Wiper Blade Rubber ......................... 604, 607
Reporting Safety Defects ......................... 688Resetting a Trip Meter
............................. 127
Rev Indicators ........................................... 131
Rev Match System .................................... 469
Road Departure Mitigation (RDM) ......... 541
On and Off.............................................. 543
S
Safe Driving ................................................ 35
Safety Check ............................................... 39
Safety Labels ............................................... 80
Safety Message ............................................. 3
Seat Belts .................................................... 40
Adjusting the Shoulder Anchor.................. 45
Automatic Seat Belt Tensioners ................. 43
Checking................................................... 47
Fastening .................................................. 44
Installing a Child Seat with a Lap/Shoulder Seat Belt .................................................. 72
Pregnant Women ...................................... 46
Reminder .................................................. 42
Warning Indicator ............................... 42, 88
Seat Heaters ...................................... 215, 216
Seats .......................................................... 193
Adjusting ................................................ 193
Front Seat Heaters ................................... 215
Front Seats .............................................. 193
Rear Seats ............................................... 199
Seat Heaters .................................... 215, 216
Security System ......................................... 163
Security System Alarm Indicator................. 95 Select Lever
................................ 24, 461, 468
Operation ................................. 24, 462, 468
Releasing ................................................ 665
Won’t Move ........................................... 665
Select/Reset Knob .................................... 127
Selecting a Child Seat ................................ 68
Selector Knob (Audio) ............................. 233
Setting the Clock ...................................... 144
Shift Lever .................................. 24, 461, 468
Shift Lever Position Indicator .................... 86
Shift Position Indicator ............................ 462
Shifting (Transmission) .................... 461, 468
Shoulder Anchor ........................................ 45
Side Airbags ............................................... 56
Side Curtain Airbags .................................. 58
Siri Eyes Free ............................................. 312
SiriusXM ® Radio ....................................... 283
Smart Entry with Push Button Start System ..................................................... 147
Snow Tires ................................................ 617
Song By Voice
TM (SBV) .............................. 294
Spare Tire ......................................... 648, 685
Spark Plugs ............................................... 684
Specifications ........................................... 684
Specified Fuel ................................... 562, 684
Speedometer ............................................ 122
SRS Airbags (Airbags) ................................ 51
Starting the Engine .......................... 451, 454
Does Not Start ........................................ 659
Engine Switch Buzzer .............................. 171
If the Battery Is Dead............................... 662
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