Handbrake/Park Brake Sensor Wire

[yarisdownunder]

Originally Posted by Kaotic Lazagna

I don't have steering wheel controls on my 2008, but on my Kenwood HU, I just connected the "handbrake" wire to a bolt on the dash frame behind the glove box. I was able to view a DVD with the handbrake down. However, I was not actually moving/driving, so I don't know if that mattered. It was the only time I ever tried a DVD. haha. Maybe you can try that???

Tried this and I was able to unlock android auto through my phone but it doesn't unlock the steering wheel controls.
Unfortunately I found out that Pioneer need signal from the handbreak not just an earth.