Cadillac Escalade Two-mode Hybrid 2010 Manual page 60

1. Park the vehicle on a level surface and turn the
vehicle off. Remove the DMCM coolant surge tank
pressure cap when the DMCM cooling system,
including the DMCM coolant 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.
6-12
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/retailer, to the DMCM coolant surge tank
until the level reaches the FULL COLD mark.
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.