1999 Subaru Legacy Owner's Manual - Page 337

Maintenance and service D The cooling system has been filled at the factory with a highquality, corrosion-inhibiting, year-around coolant which provides protection against freezing down to -33°F (-36°C). Use the recommended coolant only. Use of improper coolants may result in corrosion in the cooling system. It is important to maintain protection against freezing and corrosion, even if freezing temperatures are not expected. Never mix different kinds of coolant. D Do not splash the engine coolant over painted parts. The alcohol contained in the engine coolant may damage the paint surface. Change the engine coolant in the following procedures according to the maintenance schedule in the warranty and maintenance booklet. 1. Place a proper container under the drain plug and loosen the drain plug. Reserve tank CAUTION Air vent plug Drain plug OM-H2288 HB0278 2. Loosen the radiator cap to drain the coolant from the radiator. Then drain the coolant from the reserve tank. Tighten the drain plug securely. - CONTINUED - 10-17