HONDA CR-V 2020 Owner's Manual (in English)
Page 601 of 671
599
Maintenance
Battery
Checking the Battery
The condition of the battery is monitored by a 
sensor located on the negative terminal of the 
battery. If there is a problem with this sensor, 
the driver information interface will display a 
warning message. If this happens, have your 
vehicle inspected by a dealer.
Check the battery termina ls for corrosion monthly.
If your vehicle's battery is disconnected or goes dead:
• The audio system is disabled.
2 Audio System Theft Protection  P. 236
•The clock resets*.
2 Clock  P. 132
•Canadian models only: The immobilizer system needs to be reset.
2 Immobilizer System Indicator  P. 88
1Battery
WARNING:   Battery post, terminals, 
and related accessories contain lead 
and lead compounds.
Wash your hands after handling.
3WARNING
The battery gives off explosive hydrogen 
gas during normal operation.
A spark or flame can cause the battery to 
explode with enough force to kill or 
seriously hurt you.
When conducting any battery 
maintenance, wear prot ective clothing and 
a face shield, or have a skilled technician do 
it.
* Not available on all models
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uuBattery uCharging the Battery
Maintenance
Charging the Battery
Disconnect both battery cables to prevent da maging 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 battery installed in this vehicle is specifically 
designed for a model wi th Auto Idle Stop.
Using a battery other than  this specified type may 
shorten the battery life, a nd prevent Auto Idle Stop 
from activating. If  you need to replace the battery, 
make sure to select the specified type. Ask a dealer 
for more details.
The indicators for the Adaptive Cruise Control (ACC) 
with Low Speed Follow
*, Road Departure Mitigation 
(RDM) System*, Vehicle Stability AssistTM (VSA ®) 
system, Vehicle Stability AssistTM (VSA ®) OFF, Collision 
Mitigation Braking SystemTM (CMBSTM)*, Low Tire 
Pressure/TPMS, and Parking Brake and Brake System 
(Amber) may come on along with a message in the 
Driver Information Interface when you turn the 
ignition switch to ON 
( w*1 after re-connecting the 
battery.
Drive a short distance  at more than 12 mph 
(20 km/h). The indicator shoul d go off. If it does not, 
have your vehicle ch ecked by a dealer.
* Not available on all models
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601Continued
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*
1Replacing 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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602
uuRemote Transmitter Care uReplacing the Button Battery
Maintenance
1. Remove the built-in key.
2. Remove the upper half of the cover by 
carefully prying on the edge with a coin.
u Remove carefully to avoid losing the 
buttons.
u Wrap a coin with a cloth to prevent 
scratching the smart entry remote.
3. Make sure to replace  the battery with the 
correct polarity.
■Smart Entry Remote*
Battery type: CR2032
Battery
* Not available on all models
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603
Maintenance
Climate Control System Maintenance
Air Conditioning
To ensure proper and safe operation, the Society of Automotive Engineers (SAE 
J2845) recommends that the refrigerant system only be serviced by trained and 
certified technicians.
Never repair or replace the air conditio ning evaporator (cooling coil) with one 
removed from a used or salvaged vehicle.
New replacement mobile air conditioning  evaporators must be certified (and 
labeled) as meeting SAE Standard J2842.
Dust and Pollen Filter
The climate control system is equipped with  a dust and pollen filter that collects 
pollen, dust, and other debris in the air. The Maintenance MinderTM messages will let 
you know when to  replace the filter.
We recommend that you repl ace the dust and pollen filter sooner when using your 
vehicle in areas with high concentrations of dust.
1 Climate Control System Maintenance
NOTICE
Vented refrigerant is harmful to the environment.
To avoid refrigerant from  venting, never replace the 
evaporator with one re moved from a used or 
salvaged vehicle.
Refrigerant in your vehicle’ s air conditioning system is 
flammable and can be igni ted during servicing if 
proper procedures  are not followed.
Air conditioner label is found under the hood: 2 Safety Labels  P. 76
2 Specifications  P. 644
Canadian models
Caution
Flammable Refrigerant
Requires Registered 
Technician to Service
Air Conditioning 
System
:
:
:
:
1
Dust and Pollen Filter
If the airflow from the climate control system 
deteriorates noticeably, and the windows fog up 
easily, the filter may need to be replaced. Please 
contact a dealer for replacement.
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604
Maintenance
Cleaning
Interior Care
Use a damp cloth with a mixture of mild detergent and warm water to remove dirt. 
Use a clean cloth to remove detergent residue.
Use a soft brush with a mixture of mild soap  and warm water to clean the seat belts. 
Let the belts air dry. Wipe the loops of the seat belt anchors using a clean cloth.
Wipe using a glass cleaner.
■Cleaning Seat Belts
1 Interior Care
Do not spill liquids inside the vehicle. Electrical 
devices and systems may ma lfunction if liquids are 
splashed on them.
Do not use silicone  based sprays on electrical devices 
such as audio devices and switches.
Doing so may cause the items to malfunction or 
cause a fire inside the vehicle.
If a silicone based spray  is inadvertently used on 
electrical devices,  consult a dealer.
Depending on their compos ition, chemicals and 
liquid aromatics may cause  discoloration, wrinkles, 
and cracking to resin-ba sed parts and textiles.
Do not use alkali solvents or organic solvents such as 
benzene or gasoline.
After using chemicals, make su re to gently wipe them 
away using a dry cloth.
Do not place used cloths on top of resin based parts 
or textiles for long periods  of time without washing.
Loop
■Cleaning the Window1Cleaning the Window
Wires are mounted to the in side of the rear window. 
Wipe along the same direct ion as the wires with a 
soft cloth so as not to damage them.
Be careful not to spill fluids, such as water or glass 
cleaner, on or around the co ver of both the front 
sensor camera and the  rainfall/light sensor
*. 
* Not available on all models
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uuCleaning uInterior Care
Maintenance
The driver's floor mat hooks over floor 
anchors, which keep  them from sliding 
forward. To remove a mat for cleaning, turn 
the anchor knobs to the unlock position. 
When reinstalling the mat after cleaning, turn 
the knobs to the lock position.
Do not put additional floor mats on top of 
the anchored mat.
To properly clean leather:
1. Use a vacuum or soft dry cloth first to remove any dirt or dust.
2. Clean the leather with a soft cloth dampen ed with a solution comprised of 90% 
water and 10% neutral soap.
3. Wipe away any soap residu e with a clean damp cloth.
4. Wipe away residual water and allo w leather to air dry in the shade.
■Floor Mats1Floor Mats
If you use any floor mats  that were not originally 
provided with your vehicle, make sure they are 
designed for your specific ve hicle, fit correctly, and 
are securely anchored by the floor anchors.
Position the rear seat floor mats properly. If they are 
not properly positioned, the  floor mats can interfere 
with the front seat functions.
Lock Unlock
■Maintaining Genuine Leather*1 Maintaining Genuine Leather*
It is important to clean or  wipe away dirt or dust as 
soon as possible. Spills can  soak into leather resulting 
in stains. Dirt or dust ca n cause abrasions in the 
leather. In addition, pl ease note that some dark 
colored clothing can rub  onto the leather seats 
resulting in discol oration or stains.
* Not available on all models
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606
uuCleaning uExterior Care
Maintenance
Exterior Care
Dust off the vehicle body after you drive.
Regularly inspect your vehi cle for scratches on painted  surfaces. A scratch on a 
painted surface can result in body rust. If  you find a scratch, promptly repair it.
Wash the vehicle regularly. Wash more  frequently when driving in the following 
conditions:
• If driving on roads with road salt.
• If driving in coastal areas.
• If tar, soot, bird droppings, insects, or  tree sap are stuck to painted surfaces.
• Make sure to follow the instructions  indicated on the automated car wash.
• Fold in the door mirrors.
• For models equipped with automatic inte rmittent wipers, turn the wipers off.
• Keep sufficient distance  between the cleaning nozzl e and the vehicle body.
• Take particular care around the windows. St anding too close may cause water to 
enter the vehicle interior.
• Do not spray high pressure  water directly into the engine compartment. Instead, 
use low pressure water and a mild detergent.
■Washing the Vehicle
■Using an Automated Car Wash
■Using High Pressure Cleaners
1 Washing the Vehicle
Do not spray water into the air intake vents. It can 
cause a malfunction.
Do not spray water onto the capless unit when the 
fuel fill door is open. It ca n cause damage to the fuel 
system or engine.
Air Intake Vents
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Continued607
uuCleaning uExterior Care
Maintenance
A good coat of automotive body wax helps protect your vehicle’s paint from the 
elements. Wax will wear off over time  and expose your vehicle’s paint to the 
elements, so reapply as necessary.
If you get gasoline, oil, engine coolant, or battery fluid on resi n coated parts, they 
may be stained or the coating may peel. Prom ptly wipe it away using a soft cloth and 
clean water.
Wipe using a glass cleaner.
Aluminum is susceptible to deterioration caused by salt and other road 
contaminants. When necessary, as early as possible use a sponge and mild detergent 
to wipe away these contaminants. Do no t use a stiff brush or harsh chemicals 
(including some commercial wheel cleaners). These can damage the protective finish 
on aluminum alloy wheels, resulting in corrosion. Depending on the type of finish, 
the wheels also may lo se their luster or appear burn ished. To avoid water stains, 
wipe the wheels dry with a cloth while they are still wet.
■Applying Wax
■Maintaining the Bumpers and Other Resin Coated Parts
■Cleaning the Window
■Maintaining Aluminum Wheels
1 Applying Wax
NOTICE
Chemical solvents and st rong cleaners can damage 
the paint, metal, and plasti c on your vehicle. Wipe 
away spills immediately.
1 Maintaining the Bumpers an d Other Resin Coated Parts
Ask a dealer about the corr ect coating material when 
you want to repair the painted surface of the parts 
made of resin.
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uuCleaning uExterior Care
Maintenance
The inside lenses of exterior lights (headli ghts, brake lights, etc.) may fog temporarily 
if you have driven in the rain, or after the vehicle has been run through a car wash.
Dew condensation also may build up inside  the lenses when there is a significant 
enough difference between the ambient and  inside lens temperatures (similar to 
vehicle windows fogging up in rainy conditions). These conditions are natural 
processes, not structural design problems in the exterior lights.
Lens design characteristics may result in mo isture developing on the light lens frame 
surfaces. This also  is not a malfunction.
However, if you see large amounts wate r accumulation, or large water drops 
building up inside the lenses, have your vehicle inspected by a dealer.
■Fogged Exterior Light Lenses
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