my Cadillac shows to check lubrication level. All the levels are fine. help pl on 2004 Cadillac CTS

oil good, coolant good, tranny shows good,

2 answers
reset oil reminder if still on poss oil level sensor in oil pan is bad
The engine has a sensor that detects the engine oil level and oil tempuature. Possibly the sensor could have failed. Typically the message center would say "check engine oil level".