Replace the battery with a new one if it is discharged.
■ You will need the following items:
Lithium battery CR2032
■ Replacing the battery

Remove the cover using a coin protected with tape etc.

Remove the discharged transmitter battery.
Insert a new battery with the “+” terminal facing up.
■If the wireless remote control battery is discharged
The following symptoms may occur.
●The wireless remote control will not function properly.
●The operational range is reduced.
■Use a CR2032 lithium battery
●Batteries can be purchased at your Toyota dealer, jewelers, or camera stores.
●Replace only with the same or equivalent type recommended by your Toyota dealer.
●Dispose of used batteries according to the local laws.
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.
■Certification for the lithium battery
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
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 components inside the remote control.
●Do not bend either of the battery terminals.
Air conditioning filter
Checking and replacing fusesSoftware Incompatibility with Body Control Module "B" (U1331)
DESCRIPTION
This DTC is stored when the destination information of the main body ECU (multiplex
network body ECU) does not match that of the blind spot monitor sensors.
DTC Code
DTC Detection Condition
Trouble Area
U1331
Destination in ...
CD cannot be Inserted / Played or CD is Ejected Right After Insertion
PROCEDURE
1.
CHECK IF A PROPER CD IS INSERTED
(a) Make sure that the CD is an audio CD or a CD with an MP3, WMA or AAC file,
and that it is not deformed, flawed, stained, deteriorated or otherwise defective.
OK:
CD is normal.
HINT:
Translucent or uniq ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The ECM of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there
is no trouble in the CAN and multiplex communication system.
*: Use the Techstream.
PROCEDURE
...