2002 Subaru Impreza Owner's Manual - Page 366

Maintenance and service J Front turn signal light and parking light B Front turn signal light bulbs HGB009BA HGB007CB 1) Front turn signal light 2) Parking light 1. Remove the bulb socket from the headlight assembly by turning it counterclockwise. 2. Pull the bulb out of the socket. Install a new bulb. 3. Set the bulb socket into the headlight assembly and turn it clockwise until it locks. B Parking light bulbs The headlight assembly must be removed before the parking light bulbs can be replaced. When the headlight assembly has been removed and then reinstalled, it may become necessary to make a headlight aiming adjustment. It may be difficult to replace the bulbs. Have your SUBARU dealer replace the bulbs if necessary. 11-58