Electronic Display (w/ Speed, Odometer, Gas, etc) doesn’t work.

Hi PC! I’ve been reading this forum for years, but this is my first post.

I have a strange issue with the Electronic Display (with the Speed, Odometer, Gas, etc. on it) - in a nutshell, it often doesn't turn on in the cold- (But the car works fine.)
I haven’t been able to find any troubleshoots online. Hopefully some of you Prius-gurus have some advice and maybe this thread can be helpful to others. (Apologies if it’s already been answered.)

I have a 2008 Prius which I bought in August 2010 w/ 17k miles on it. It currently has 70k. I’ve noticed this issue since winter of 2010 but it’s certainly occurring more frequently. Sometimes when I start my car (almost exclusively in the winter) the electronic display never turns on. The LED light on the power button is red/orange (not green): my blinkers work and their green arrows show up, and the passenger side airbag light works but no other lights on the dash work. The navigation screen works fine but the information about mileage (in the info section) doesn’t continue to tally and the reverse lights don’t work and the backup camera doesn’t activate. The brake lights are fine. Also the trunk doesn’t open if it starts in red LED mode. But the car drives fine. So I just drive it without knowing my speed/gas level.

But it’s odd and it’s been 4 years now.

It’s not the dimmer dial by the steering wheel and I’ve checked the fuse box under the steering wheel.

The starter battery was replaced 11/25/14 (recently) and the screen worked twice afterwards and then stopped working for 11 days. Turned on last night (Sunday) and was off again this morning.
Sometimes when driving a long distance the display will turn on mid-drive. Other times it will turn on consistently for a while and then not.

I’ve asked multiple Toyota dealerships about it, but it has never misbehaved when the car was with them (classic!) and unfortunately the closest dealership is 2+ hours away so usually the screen turns on by the time I get it there.

Before I got my battery replaced, it often refused to turn off when it was in this mood. I’d have to rev the engine and drive around the block gassing it unnecessarily to get it to turn off. But since the battery replacement I’m able to always force it off by holding down the power button.

Any ideas?! Thank you so much! I can try and take a video or pictures if you think that might help.
I think it has to be related to the cold? Maybe frost builds up and separates a connection? Does anyone know where to look to secure connections to the electronic display?

I live in Wyoming and it often gets pretty cold in the winter evenings.

 

Yes!!! thank you, you are both geniuses.