What are these warning lights

Is the yellow symbol, a warning of possible icy road conditions? On my cars (not Gen2 Prii), that alert appears when the outside temperature drops to 37F.

 

Snow flake is a warning when temperatures drop below 37f for possibly icy conditions

First picture is not factory that someone added what accessories are there like added lights?

SM-G960U ?

 

That's pretty cool Is that on US cars It was 19 or 16° this morning and my Prius had no lights lit on the dash at all No codes no warnings no Amber lights everything working perfectly just very cold I've never seen the snowflake I didn't know I even have it I'm never going to look in the manual to see if it even shows it I've never seen it before not even in any of the generation 2 manuals that I sometimes actually look through that's too funny.

 

Both my cars (not Gen2 Prii) show this warning light only on a downward transition from 38F (or higher) to 37. When temperatures are below that at power-on, it doesn't light up.