1996 Oldsmobile Bravada Owner's Manual - Page 194

1A CAUTION: Heater and radiatorhoses, and otherengine parts, can be very hot.Don't touch them. If you do, you can be burned. Don't run the engine if there is a leak. If you run the engine, it could lose all coolant. That could cause an engine fire, andyou could be burned. Get any leak fixed before you drive thevehicle. The coolant level should be at the ADD mark. If it isn't, you may have a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. I NOTICE: Engine damage from running your engine without coolant isn't covered by your warranty. I If there seems to be no leak, start the engine again. See if the fan speed increases when idle speed is doubled by pushing the accelerator pedal down. If it doesn't, your vehicle needs service. Turn off the engine.