ANSWERS: 2
  • I wouldn't worry about it. We're coming into spring, so low temperatures won't be a major issue. Once the car is warmed up, it doesn't know the difference between 10W30 and 5W30. Just run it until the next oil change, then switch back to 5W30. You *might* notice a *slight* decrease in your fuel economy, but I doubt you'll even have that.
  • I depends where you live--if you're south of the Mason-Dixon, I wouldn't be too concerned, but if you live in Minnesota or something, you might consider changing it.

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