What do the ratings on motor oil mean ?

Question:
I don't mean the 10/W30 . That's viscosity. I'm talking about the little circle usually on the back of the bottle.

Answers:

Do rental car companies refund money if you have a flat tire and you pay to repair or replace the tire?

If you are talking the API Rating - Good reading

I livein Atalnat, is garage door opener must do auto-reverse when it is blocked when it rolls down?

http://www.wearcheck.com/literature/tech...

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Should I change sparkplugs/air filter based on months or miles?

10 winters ad 30 summers baisclly the lower the grade before the w sign is very good oil. if u got an old car 60k miles onwards just put 15w 40

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Engine problems with a Saffari 95.?

Mr t is right the other dude has trouble reading

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Parking sensor?

Ditto Mr. T

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