Subaru 2004 Impreza - Manual (Page 453)

11-68
Maintenance and service
! High beam light bulbs
1. Disconnect the electrical connector from the bulb.
2. Remove the bulb from the headlight assembly by
turning it counterclockwise.
3. Replace the bulb with new one.
4. Reconnect the electrical connector. At this time,
use care not to touch the bulb surface.
5. To install the bulb to the headlight assembly, turn it
clockwise until it clicks.
UGB519BA
UGB520BA