1998 Subaru Impreza Owner's Manual - Page 151

Interior equipment Cigarette lighter and front ashtray (option) D The electrical power socket located on the lower part of the instrumnet panel is designed to use only a SUBARU genuine cigarette lighter plug. Do not use non-genuine cigarette lighter plugs or any "plug-in" type electrical accessories in the socket. Doing so may cause a short-circuit and overheating, resulting in a fire. D You should install a SUBARU genuine ashtray if you smoke in the vehicle. The pocket located near the socket is not designed to sustain high temperatures. Using the pocket in place of the ashtray may cause a fire. CAUTION HG0299 The electrical power socket located on the lower part of the instrument panel can be used as cigarette lighter socket. A cigarette lighter plug and front ashtray are optional accessories. They are available from your SUBARU dealer. If smoking is not desired, always put the cap on the socket to prevent any foreign object from entering it. - CONTINUED - 6-9