How do you change thermostat in 2006 Colorado?

To change the thermostat in a 2006 Chevrolet Colorado, start by ensuring the engine is cool and disconnect the negative battery terminal. Drain the coolant from the radiator and remove the upper radiator hose attached to the thermostat housing. Unbolt the thermostat housing, replace the old thermostat with a new one (ensuring the gasket is properly seated), reattach the housing, and reconnect the radiator hose. Finally, refill the coolant and reconnect the battery terminal.