Oxygen Sensor Caution
WARNING: This page is about a different car, the 2009 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Handle the oxygen sensors carefully in order to prevent damage to the component. Keep the electrical connector and the exhaust inlet end free of contaminants. Do not use cleaning solvents on the sensor. Do not drop or mishandle the sensor.