Toyota 2004 Sienna Owner's Manual page 488

—Headlights
1. Open the hood. Turn the bulb base
counterclockwise to the front of the
vehicle as shown.
482
04 SIENNA_U (L/O 0408)
2. Unplug the connector while depress-
ing the lock release.
If the connector is tight, wiggle it.
3. Plug in a new bulb into the connec-
tor and install it into the mounting
hole.
Aiming is not necessary after replacing
the bulb. When aiming adjustment is nec-
essary, contact your Toyota dealer.
2004 SIENNA from Aug. '04 Prod. (OM45422U)