2004 Nissan Xterra Owner's Manual - Page 238

● Aiming is not necessary after replacing the bulb. When aiming adjustment is necessary, contact a NISSAN dealer. 4. Turn the bulb retaining ring counterclockwise until it is free form the headlight reflector and then remove it A . 5. Carefully remove the headlight bulb. Do not shake or rotate the bulb when removing it B. Replacing the headlight bulb 1. Insert the bulb. DO NOT TOUCH THE BULB. 2. Install and tighten the bulb retainer. ● Be sure the lip of the bulb socket contacts the headlight body. 3. Push the electrical connector into the bulb plastic base until it snaps and stops. 4. Connect the negative (-) battery cable. 5. Close the hood. FOG LIGHTS (if so equipped) WDI0294 Removing the headlight bulb 1. Open the hood. 2. Disconnect the negative (-) battery cable. 3. Disconnect the electrical connector from the rear end of the bulb. Replacing the fog light bulb CAUTION ● High pressure halogen gas is sealed inside the halogen bulb. The bulb may break if the glass envelope is scratched or the bulb is dropped. 8-34 Maintenance and do-it-yourself