Recommended oils are either 0w-20 or 5w-20. Yes, I would not go above 5 on the startup end, so my big question is whether it's acceptable to use 5w-30, rather than the specified 20.

I live in Missouri, by the way.

Greetings, all! I love my '09 Vibe with the 5 speed stick and. . .the 2AZ-FE oil burner under the hood. I had two vintage oil burners before (an '81 and an '82 123 series Mercedes-Benz 240D). Different kinda oil burners, though :D Okay, so we Pontiac owners are out of luck with getting Toyota to eva...