2003 Toyota Avalon Owners Manual - Page 293
2003 Toyota Avalon Manual
Page 293 highlights
'03 AVALON U (L/O 0206) -Headlights 1. Unplug the connector while depressing the lock release. If the connector is tight, wiggle it. 2. Turn the bulb and remove it. 3. Install a new bulb and the connector into the mounting hole. Aiming is not necessary after replacing the bulb. When aiming adjustment is necessary, contact your Toyota dealer. 2003 AVALON (OM41401U) 293