Your vehicle includes a variety of electronic features that can be personalized to your preferences. Programming these preferences requires specialized equipment and may be performed by your Toyota dealer.
Some function settings are changed simultaneously with other functions being customized. Contact your Toyota dealer for further details.
Customization
Customizable featuresSound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound signal from an
external device to the radio and display receiver assembly via this circuit.
The sound signal that has been sent is amplified by the radio and display
receiver ...
Horn Circuit
DESCRIPTION
When the theft deterrent system is switched from the armed state to the alarm
sounding state, the main body ECU (driver side junction block assembly) transmits
a signal to cause the horn to sound at intervals of 0.4 seconds.
WIRING DIAGRAM
...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZE METER / GAUGE SYSTEM
(a) Customizing with the Techstream
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Enter the following menus: Customize Setting / Warning. ...