How do you install an engine block heater on a 2007 Chevy Colorado with the 4 cylinder engine?

To install an engine block heater on a 2007 Chevy Colorado with a 4-cylinder engine, first ensure the vehicle is parked on a level surface and the engine is cool. Drain the engine coolant and locate the freeze plug on the engine block; remove it using a socket or appropriate tool. Insert the block heater into the hole, ensuring it fits securely, then reattach the coolant drain plug. Finally, refill the engine with coolant, making sure to check for leaks before starting the engine.