How do you replace the battery in a 2008 dodge avenger?

To replace the battery in a 2008 Dodge Avenger, first ensure the vehicle is off and parked on a flat surface. Open the hood and locate the battery, then use a wrench to disconnect the negative terminal (black) first, followed by the positive terminal (red). Remove any securing brackets and lift out the old battery. Place the new battery in the same position, reconnect the positive terminal first, then the negative terminal, and ensure everything is secure before closing the hood.