1997 Cadillac Seville Owner's Manual - Page 305
1997 Cadillac Seville Manual
Page 305 highlights
4 The individual bulbs in the CHMSL are not replaceable. See your dealer for assistance. 1. Open the trunk to gain access to the lamp housing. 3. Remove the turn signal lamp housing socket and replace the bulb. I 2. Remove the convenience net and pull trim away to access the wing nuts. -3