1998 Cadillac Seville Owner's Manual - Page 311

5. Remove the headlamp bulb socket. 6. After removing the wiring harness connector from the headlampbulb socket, replace the bulb assembly. Reconnect it to the wiring harness and reinstall the headlamp bulb assembly back into the headlamp housing. 7. After reinstalling the bulb and socket, reinstall the rubber cover. Make sure it fully covers the headlamp socket. 8. To replace the high-beam bulb, turn the bulb socket counterclockwise tounlock the socket from the lamp housing. Follow the instructions in Step 6 to install the new bulb. To reinstall the bulb and socket, reverse the instructions given above. 6-36