In my case, with a 2000 LC, it did this and would shutoff into the drive as well, but then eventually did not shut off. It seems that it was just in the initial stages of the accumulator failing for low pressure.
I changed the booster motor out without removing the MC and thought that might...
So I have read through quite a few other posts of people experiencing a very similar problem, but I was able to get a phone video of mine on the lead up and as it was occurring.
I have a 2000 LC. My dash lights have now come on twice in the morning on my way to work and have shut back off...