Lexus 2017 RX350 will not start without a jump

[DebB]

My Lexus RX350 2017 is not starting properly. A few days ago, I was driving, and the screen went purple and then black and reset to normal. After driving home we had a snow storm and so I did not use it for two days. On  the third day it started right away and I was able to drive it but at the end of the day it did not restart. First I replaced the battery on the key fob. That did not help. Then I jump started. This worked and I was able to drive home but when I turned off the engine I could not turn it on again immediately following turning it off. Thoughts on what the problem could be? Thanks!