Cadillac Escalade 2004 Escalade ESV Owner's Manual page 338

1. Park the vehicle on a level surface. You can 2. Then keep turning the pressure cap slowly, and
remove the coolant surge tank pressure cap remove it.
when the cooling system, including the coolant
surge tank pressure cap and upper radiator hose, is
no longer hot. Turn the pressure cap slowly
counterclockwise (left) about one full turn. If you
hear a hiss, wait for that to stop. A hiss means there
is still some pressure left.
5-32