2003 Cadillac Escalade Owner's Manual - Page 365

1. Use a screwdriver to remove the two screws from the lamp assembly. 2. Remove the lamp assembly. 3. Press the release tab and turn the bulb socket counterclockwise to remove it from the taillamp housing. (The sidemarker lamp does not have a release tab.) 5. Press a new bulb into the socket, insert it into the taillamp housing and turn the socket clockwise into the taillamp housing until it clicks. The sidemarker lamp does not have a release tab and therefore will not click when it is installed. 6. Reinstall the rear lamp assembly and tighten the screws. 5-62