19 12 01 Coolant warning in instrument cluster · In order to prevent excessive engine coolant

911 Carrera (996) Engine-Cooling 19 12 01 Coolant warning in instrument cluster Note In order to prevent excessive engine coolant temperature, make sure that the cooling-air ducts are not obstructed by coverings (e.g. films, stone shields), Leaves and insects on the radiator/condenser fins can be vacuumed off or removed using a high-pressure cleaner, Four functions of the coolant warning light: 1. Engine coolant level too low light flashes slowly (0.5 Hz) 2. Engine compartment temperature too high light flashes slowly (0.5 Hz) (engine compartment blower might be faulty) 3. Engine coolant temperature too high -light is lit; pointer on the right 4. Temperature sensor at water outlet faulty -light flashes rapidly (1 Hz); pointer on the right Note The temperature warning in point three is indicated if the conditions "engine coolant temperature too high" and "engine coolant level too low" are present simultaneously. 19 -17