2010 Subaru Impreza Owner's Manual - Page 260

Starting and operating 7-35 & Steps to take if EBD system malfunctions system warning light and ABS warning light illuminate simultaneously. The EBD system may be malfunctioning if the brake system warning light and ABS warning light illuminate simultaneously during driving. Even if the EBD system malfunctions, the conventional braking system will still function. However, the rear wheels will be more prone to locking when the brakes are applied harder than usual and the vehicle's motion may therefore become somewhat harder to control. If the brake system warning light and ABS warning light illuminate simultaneously, take the following steps. 1. Stop the vehicle in the nearest safe, flat location. 2. Shut down the engine, apply the parking brake, and then restart it. 3. Release the parking brake. If both warning lights turn off, the EBD system may be malfunctioning. Drive carefully to the nearest SUBARU dealer and have the system inspected. 4. If both warning lights illuminate again and remain illuminated after the engine has been restarted, shut down the engine again, apply the parking brake, and check the brake fluid level. Refer to "Brake fluid" F11-27. 5. If the brake fluid level is not below the "MIN" mark, the EBD system may be malfunctioning. Drive carefully to the nearest SUBARU dealer and have the system inspected. 6. If the brake fluid level is below the "MIN" mark, DO NOT drive the vehicle. Instead, have the vehicle towed to the nearest SUBARU dealer for repair. WARNING . Driving with the brake system warning light illuminated is dangerous. This indicates your brake system may not be working properly. If the light remains illuminated, have the brakes inspected by a SUBARU dealer immediately. . If at all in doubt about whether the brakes are operating properly, do not drive the vehicle. Have your vehicle towed to the nearest SUBARU dealer for repair. Turbo models Non-turbo models If a malfunction occurs in the EBD system, the system stops working and the brake