What is codes e52 e58 e98 on a 1992 Cadillac devile?

Codes E52, E58, and E98 on a 1992 Cadillac DeVille relate to issues in the vehicle's electronic systems. E52 typically indicates a problem with the vehicle's climate control system, E58 pertains to the service engine or emissions system, and E98 is associated with the theft deterrent system. It's advisable to consult the vehicle's service manual or a qualified technician for a detailed diagnosis and appropriate repairs.