Do not add anything to the oil. The recommended oils meeting the dexos specification are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
Engine Oil Pressure Switch Replacement
Engine Oil Pressure Switch ReplacementCalloutComponent NamePreliminary ProcedureRemove the starter. Refer toStarter Replacement.1Oil Pressure SwitchCaution:Refer toFastener Caution.ProcedureDisconnect the engine wiring harness electrical connector asnecessary.Tighten26-Y(19-lb-ft) ...