If you've completed the installation on your 4Runner Upgrade kit and find that your steering controls aren't working. You may have missed an additional connection.
The small connector in Picture 1 should be connected to the screen as shown in Picture 2. As shown below.
Picture 1:

Picture 2:

This will resolve the issue for you.
I am current getting mine installed at a stereo store and the installer said he looked at the video and my head unit is missing a red translucent box that controls the backup camera/steering wheel controls. I brought them the entire box that was shipped and I hadn't seen that piece in there. Is this the case or is there a connection he is missing?
Hi @Clay Bousema ,
Please reach out to our support team on email - support@hamiltonmotorcompany.com. They will be able to assist you. Thanks
My steering wheel controls work for the forward/backward track and volume. However, with the original unit you could press the little button (in the middle of the arrow buttons) with the round dot to pull up your Apple Music playlists and then choose the songs. Is this something that is no longer usable with the Hamilton unti? TIA