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Help. I drove my car to the store, shopped, and when I came out and turned the car on, a bunch of warning lights came up. Power steering problem. Vehicle Stability Problem. Emissions system problem. Brake system problem. Tire monitor problem.
The car works fine. I thought I would try to get it to a gas station a few blocks away, so I drove it, and of course the gas station was closed because it's Sunday. I drove the car another 10 miles. Everything worked fine.
Is this just a computer glitch? Maybe because it's cold? (It didn't go away when the car warmed up.) Is there a way to reset the computer on a 2019 Honda Fit/Jazz?
Roy Phillips @joyce You could try resetting the engine controller. There should be a fuse marked "ECU" and if you remove/replace, it might reset.
Where would I find that?
@joyce Under the hood, it should be a black plastic box with a diagram of fuses (prob. LH side). See if one is marked ECU and pop off the cover and prise out and replace the coloured bar for that fuse.
This might help: https://www.youtube.com/watch?v=qC_nsrP9na0
Thank you.
@joyce Let us know if that fixes it!
No, I'm just not going to mess with the fuses or the battery or anything. I'm too old be out in the cold wind trying to fix it. The dealership is supposed to call me back, probably tomorrow, and I'll worry about it then.
@joyce usually that's a battery issue.
I just had a new battery put in.
@joyce I have a 2018 fit and when the temperature drops, my gas gauge/temperature/clock gauge goes completely blank. You mentioned a new battery and mine started after having the battery replaced. My guess is there's some sensor that's not reading right, or maybe something that needs a reset.
I know NOTHING about cars, but my first instinct is that it's some kind of computer glitch. Let the dealership deal with it! 
@joyce
he same happened to my Subaru years ago on a very cold day. I had to bring the car to the workshop, and they reset the computer for free. I think it is not a big problem.
Thank you. That's reassuring.