Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
Vehicles without a smart key system

To prevent damage to the key, cover the tip of the screwdriver with a rag.

And remove the depleted battery.
Insert a new battery with the “+” terminal facing up.

Vehicles with a smart key system

To prevent damage to the key, cover the tip of the screwdriver with a rag.

Insert a new battery with the “+” terminal facing up.

Use a cr2016 (vehicles without a smart key system), or cr2032 (vehicles with a smart key system) lithium battery
If the key battery is depleted
The following symptoms may occur:
Caution
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.
Notice
For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
Moisture may cause the battery to rust.
Air conditioning filter
Checking and replacing
fusesAutomatic
air conditioning system
Air outlets and fan speed are automatically adjusted according
to the temperature setting.
Driver’s side temperature control
dial
Automatic mode button
Micro dust and pollen filter
mode button
Driver’s side temperature setting
display
Fan speed display
Air outlet display ...
Door courtesy switch circuit
Description
The main body ecu detects the condition of the door courtesy switch.
Wiring diagram
Inspection procedure
Read value of intelligent tester (door courtesy light switch)
Connect the intelligent tester (with can vim) to the
dlc3.
Turn the ignition switch to the on positi ...
Power mirror control system
Parts location
System diagram
System description
The outer mirror switch controls the outer rear view mirror lh
and rh.
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of pr ...