Maintenance and care -> AC filter / Key battery for Your Toyota Aygo SUV Second Generation (2015-2021)

380  
7-3. Do-it-yourself maintenance  
Air conditioning filter  
The air conditioning filter must be changed regularly to maintain  
air conditioning efficiency.  
Removal method  
Vehicles without a smart entry & start system:  
Turn the engine switch to the “LOCK” position.  
Vehicles with a smart entry & start system:  
Turn the engine switch off.  
Pull out the air conditioning filter  
as shown in the illustration.  
Replace it with a new one.  
Changing interval  
Inspect and replace the air conditioning filter according to the maintenance  
schedule. In dusty areas or areas with heavy traffic flow, early replacement  
may be required. (For scheduled maintenance information, please refer to the  
Toyota Service Booklet” or “Toyota Warranty Booklet”.)  
If air flow from the vents decreases dramatically  
The filter may be clogged. Check the filter and replace if necessary.  
NOTICE  
When using the air conditioning system  
Make sure that a filter is always installed.  
Using the air conditioning system without a filter may cause damage to the  
system.  
 
381  
7-3. Do-it-yourself maintenance  
Wireless remote control/electronic key  
battery  
Replace the battery with a new one if it is depleted.  
You will need the following items:  
Flathead screwdriver  
Small flathead screwdriver  
Lithium battery CR2016 (vehicles without a smart entry & start sys-  
tem), or CR2032 (vehicles with a smart entry & start system)  
Replacing the battery  
Vehicles without a smart entry & start system  
Lift the cover.  
Insert the flathead screwdriver in  
the slot and push down.  
To prevent damage to the key,  
cover the tip of the flathead screw-  
driver with a rag.  
7
Remove the cover.  
Insert the flathead screwdriver in  
the bottom of key and push down.  
 
 
382  
7-3. Do-it-yourself maintenance  
Remove the depleted battery.  
Insert a new battery with the “+”  
terminal facing up.  
Vehicles with a smart entry & start system  
Remove the cover.  
To prevent damage to the key,  
cover the tip of the flathead screw-  
driver with a tape.  
Remove the battery cover.  
Knob  
Pull the knob of the battery cover  
to remove.  
Remove the depleted battery.  
Insert a new battery with the “+”  
terminal facing up.  
 
383  
7-3. Do-it-yourself maintenance  
Use a CR2016 (vehicles without a smart entry & start system), or CR2032  
(vehicles with a smart entry & start system) lithium battery  
Batteries can be purchased at any authorized Toyota retailer or Toyota  
authorized repairer, or any reliable repairer, local electrical appliance shops  
or camera stores.  
Replace only with the same or equivalent type recommended by the manu-  
facturer.  
Dispose of used batteries according to the local laws.  
If the key battery is depleted  
The following symptoms may occur:  
The smart entry & start system (if equipped) and wireless remote control will  
not function properly.  
The operational range will be reduced.  
WARNING  
Removed battery and other parts  
These parts are small and if swallowed by a child, they can cause choking.  
Keep away from children. Failure to do so could result in death or serious  
injury.  
Certification for the electronic key battery  
CAUTION  
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT  
TYPE.  
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS  
7
NOTICE  
For normal operation after replacing the battery  
Observe the following precautions to prevent accidents:  
Always work with dry hands.  
Moisture may cause the battery to rust.  
Do not touch or move any other component inside the remote control.  
Do not bend either of the battery terminals.