See also:

Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines that the fuel filler cap is loose, improperly installed, or damaged, a “gASCAP” message will display in the odometer or a “CHECK GASCAP” messa ...

Control Setting Suggestions for Various Weather Conditions
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Engine Oil Viscosity (SAE Grade) – 3.6L Engine
SAE 5W-30 engine oil is recommended for all operating temperatures. The engine oil filler cap also shows the recommended engine oil viscosity for your engine. For information on engine oil fill ...