How do you drain the radiator on 2001 gmc sonoma truck?

To drain the radiator on a 2001 GMC Sonoma, first ensure the engine is cool and then locate the radiator drain plug at the bottom of the radiator. Place a drain pan under the radiator, open the drain plug, and allow the coolant to fully drain out. After draining, close the plug securely, and refill the radiator with fresh coolant. Be sure to dispose of the old coolant properly, as it is toxic.