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Before choosing a new motor oil, it’s important to check its rating. What does a 5W-30 rating mean?

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Correct Incorrect The "5W" indicates it performs well in cold weather, and "30" indicates the oil's viscosity at operating temperature.

Before choosing a new motor oil, it’s important to check its rating. What does a 5W-30 rating mean?

• A) The oil is thin at 5°F
• B) The oil works well in cold temperatures
• C) It’s a high-performance oil
• D) It’s designed for diesel engines