2012 Cadillac Escalade Owner Manual - Page 53

Vehicle Care surge tank pressure cap and DMCM cooling hoses, are no longer hot. Turn the DMCM coolant surge tank pressure cap slowly counterclockwise (left) about one full turn. Wait 30 seconds. 4. Turn the ignition to ON/RUN without starting the engine. The hybrid cooling pumps will run and any trapped air will purge to the surge tank. 5. Add the pre‐mixed DEX‐COOL, available at your dealer, until the coolant level is maintained at the FULL COLD mark. This should take no longer than two minutes of hybrid cooling pump operation. If the level cannot be kept at the FULL COLD level, the vehicle may need service. See your dealer. 10-11 Notice: Using tap water, cooling system sealers or conditioners in an attempt to stop coolant leaks can damage the DMCM and engine cooling systems. Never use tap water, cooling system sealers or conditioners in your cooling system. Battery This vehicle has a standard 12‐volt battery and a high voltage hybrid battery. Refer to the replacement number on the original battery label when a new standard 12‐volt battery is needed. Only a trained service technician with the proper knowledge and tools should inspect, test, or replace the hybrid battery. See your dealer if the hybrid battery needs service. The dealer has information on how to recycle the hybrid battery. There is also information available at http://www.recyclemybattery.com. 2. Then keep turning the DMCM coolant surge tank pressure cap slowly, and remove it. 3. Add the pre‐mixed DEX‐COOL, available at your dealer, to the DMCM coolant surge tank until the level reaches the FULL COLD mark. 6. Then replace the DMCM coolant surge tank pressure cap. Be sure the pressure cap is hand-tight and fully seated.