1999 Subaru Impreza Owner's Manual - Page 115

This light has the following two functions: B Parking brake warning The light comes on with the parking brake applied while the ignition switch is in the "ON" position. It goes out when the parking brake is fully released. B Brake fluid level warning This light comes on when the brake fluid level drops to near the "MIN" level of the brake fluid reservoir with the ignition switch in the "ON" position and with the parking brake fully released. If the brake system warning light should come on while driving with the parking brake lever fully released, it could be an indication of leaking of brake fluid or worn brake pads. In such a case, have your vehicle checked by a SUBARU dealer immediately. J CHECK ENGINE warning light/ Malfunction indicator lamp CAUTION If the CHECK ENGINE light comes on while you are driving, have your vehicle checked/repaired by your SUBARU dealer as soon as possible. Continued vehicle operation without having the emission control system checked and repaired as necessary could cause serious damage, which may not be covered by your vehicle's warranty. If this light comes on steadily or blinks while the engine is running, it may indicate that there is a problem or potential problem somewhere in the emission control system. B If the light comes on steadily: If the light comes on steadily while driving or does not go out after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by an authorized SUBARU dealer immediately. 3-10