Pontiac 2006 Torrent Owner's Manual page 266

3. Fill the coolant surge tank with the proper
®
DEX-COOL coolant mixture, to the
COLD FILL line.
5-30
4. With the coolant surge tank pressure cap off,
start the engine and let it run until you can feel
the upper radiator hose getting hot. Watch out
for the engine cooling fans.
By this time, the coolant level inside the coolant
surge tank may be lower. If the level is lower, add
more of the proper DEX-COOL
to the coolant surge tank until the level reaches
the COLD FILL line.
5. Then replace the pressure cap. Be sure the
pressure cap is hand-tight.
®
coolant mixture