1. Turn off the engine and let it cool completely.
2. Locate the heater control panel. It is usually located on the center console.
3. Use a small flat-head screwdriver or pry tool to gently pry open the heater control panel. Be careful not to damage the panel.
4. Once the panel is open, you will see the light bulbs. They are usually small, round, and white.
5. To remove a light bulb, gently twist it counterclockwise.
6. Insert the new light bulb by gently twisting it clockwise until it is snug.
7. Repeat steps 5 and 6 for any other light bulbs that need to be replaced.
8. Once all of the light bulbs have been replaced, snap the heater control panel back into place.
Note: Be sure to use the correct type of light bulbs. The owner's manual for your vehicle will specify the correct type of bulbs to use.