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Optima Plug-In Hybrid EX
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Repair and Diagnosis
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Engine Mechanical
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Lubrication System (PHEV)
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Engine Oil
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Repair Procedures
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Inspection
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Selection Of Engine Oil
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Recommendation
Selection Of Engine Oil: Recommendation
API SM, ILSAC GF-4 or above/5W-20
ACEA A5 or above/5W-30