How do you replace a dash board bulb in a Mazda 6?

To replace a dashboard bulb in a Mazda 6, first, ensure the vehicle is turned off and the keys are removed. Remove the plastic trim around the dashboard by gently prying it off with a flat tool. Locate the bulb holder behind the dashboard, twist it counterclockwise to remove it, and replace the old bulb with a new one. Reassemble the dashboard by reversing the steps, ensuring everything is securely in place.