RepairPal Certified shops can diagnose and repair your 1993 Cadillac DeVille. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
the process we use is to purchase the cylinder from the dealer, take the vin number with you and they will make a key with the chip.
the whole process costs around 125.
the labor is 2.2 hours.
Roy