Update: The dealership's service manager left a voicemail for me yesterday (Saturday) and stated that he garaged the car in their shop over Friday night -- warmed it up, kept it warm. When he started it on Saturday morning, there were no error messages and "the car seemed to operate normally." He left it out for the rest of the weekend. He stated that his service people would "hook it up" on Monday morning and get back to me.
I went to the dealership today (Sunday) and drove the car. All seemed good -- no error messages, normal performance, no unusual engine sounds. I checked the oil (dipstick). The level was good, but I did note a very milky color to the thin oil - 0W20. Again, the car only has 652 miles on it. Those miles are a lot of stop-and-start commuting back-and-forth to work. And our temps have been bitterly cold, lately -- 0 degrees F for highs during the day, 15 - 20 below at nights -- for the last week or so, and this week will be more of the same. It sits outside at night. My garages have other cars / vehicles.
My thought is that, regardless of what the shop says tomorrow (Monday), I am going to ask them to change the oil. (Could the frigid temps and moisture have caused this problem?)
I did get a Toyota email on Sunday. (My Toyota Entune vehicle "Health Check" -- the vehicle must communicate with the "mothership." The email reiterated the Friday readings from my car --
Low Engine Oil Pressure 01/25/2019 Low engine oil pressure has been detected. Continuing to drive may be dangerous. Stop in a safe location and contact your Toyota dealer to have your vehicle inspected.
Check Engine 01/25/2019 A malfunction in the electronic control of the engine, throttle, or automatic transmission has been detected. Contact your Toyota dealer to have your vehicle inspected.
With hints that the car is somewhat better, I am more optimistic. Could this have been just a sensor problem? Totally an anomaly that is weather related? I am not convinced of that because when I was driving and the initial warning came on (low oil pressure), the car's performance deteriorated. But does the system reduce power when sensing problems? At the time, the dash warning also flashed something like....reduced performance.
Hell, I am a office-guy, not a mechanic. I really do not know what the heck is going on with my new 2019 Toyota Corolla Hatchback XSE manual. I will continue to update this blog.
If you folks have any insights/ideas.....I am certainly listening. Thanks, eh?