Subaru 2005 Impreza - Manual (Page 453)

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Maintenance and service
2. Disconnect the electrical connector.
3. Remove the retainer spring.
4. Replace the bulb, then set the retainer spring se-
curely.
5. Reconnect the electrical connector.
6. Install the bulb cover.
T High beam light bulbs
1. Disconnect the electrical connector from the bulb.
UGB517BA
UGB518BA
UGB519CA