Two problems related to transmission slip out of gear have been reported for the 1997 Chevrolet Lumina. The most recently reported issues are listed below.
Transmission jumped out of drive and went into neutral while driving on highway at 65-70 mph on dry pavement, reference from Chevrolet service bulletin, no. 677164, no injuries incurred in incident.
Transmission jumped out of gear, almost resulting in vehicle being rear ended.