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 fusesVoice Recognition Microphone Disconnected (B1579)
DESCRIPTION
The navigation receiver assembly and telephone microphone assembly are connected
to each other using the microphone connection detection signal lines.
This DTC is stored when the microphone connection detection signal is disconnected.
DTC Code
DTC Detection Con ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
LANE DEPARTURE ALERT SYSTEM
DTC No.
Detection Item
Link
C1A47
Steering Angle Sensor
C1AA0
Front Camera Module Circuit
C1AA1
F ...
Microphone Amplifier
Components
COMPONENTS
ILLUSTRATION
*A
w/o Sliding Roof
*B
w/ Sliding Roof
*1
TELEPHONE MICROPHONE ASSEMBLY
-
-
Removal
REMOVAL
PROCEDURE
1. REMOVE ROOF HEADLINING ASSEMBLY (for Double ...