Maintenance -> Remote Transmitter Care for Your Honda CR-V SUV Fifth Generation (2016-2021)

Remote Transmitter Care  
Replacing the Button Battery  
If the indicator does not come on when the button is pressed, replace the battery.  
1Replacing the Button Battery  
Battery type: CR2032  
3
WARNING  
1. Remove the built-in key.  
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.  
2. Remove the upper half of the cover by  
carefully prying on the edge with a coin.  
Battery  
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.  
NOTICE  
An improperly disposed of battery can damage the  
environment. Always confirm local regulations for  
battery disposal.  
Replacement batteries are commercially available or  
at a dealer.  
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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.  
1Climate Control System Maintenance  
NOTICE  
Vented refrigerant is harmful to the environment.  
To avoid refrigerant from venting, never replace the  
evaporator with one removed from a used or  
salvaged vehicle.  
Never repair or replace the air conditioning evaporator (cooling coil) with one  
removed from a used or salvaged vehicle.  
Refrigerant in your vehicle’s air conditioning system is  
flammable and can be ignited during servicing if  
proper procedures are not followed.  
New replacement mobile air conditioning evaporators must be certified (and  
labeled) as meeting SAE Standard J2842.  
The air conditioner label is found under the hood:  
2 Safety Labels P. 85  
2 Specifications P. 664  
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.  
1Dust 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.  
We recommend that you replace the dust and pollen filter sooner when using your  
vehicle in areas with high concentrations of dust.  
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