How do you clean MAF sensor in Cadillac CTS?

To clean the Mass Air Flow (MAF) sensor in a Cadillac CTS, first ensure the engine is off and disconnect the negative battery terminal. Remove the MAF sensor from the air intake duct, being careful not to damage it. Use a specialized MAF sensor cleaner spray to gently spray the sensor elements, allowing it to dry completely before reinstallation. Reconnect the sensor and the battery terminal, and start the engine to ensure proper function.