See also:

Cooling System
The cooling system allows the engine to maintain the correct working temperature. When it is safe to lift the hood: 2.0 L L4 Engine A. Electric Engine Cooling Fans B. Coolant Surge Tank and Pr ...

Recommended Fluids and Lubricants
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Gasoline Octane
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, you may notice an audible knocking noise when you drive, commonly referred to as sp ...