oil pressure

I just got a 2016 Corolla and I noticed that when I start the engine the low oil pressure light blinks momentarily (after the engine is fired up) and then stays off. The dealership says this is normal and the car is just doing startup check, however I have owned many cars (including another 2016...

First of all, hey to all! I'm driving a 2003 Corolla Terra Hatch, 1.4 petrol manual. I was traveling at the weekend when my oil pressure light came on. I pulled in checked cap (noticed creamy substance, gasket issue) and levels. There was no sound (tapping/screeching) or indication other than...