Fuel low indicator
Green headlights-on indicator
Oil pressure indicator
Ex. Gas sensor indicator
In short, I'm using to find a quick way of determining if I have bad bulbs

Part 2: how do you pull the instrument cluster? I have removed the four screws but the cluster only comes out an inch or two. Didn't want to force it. Wondering if the speedo needs disconnected first from underneath? And if so, how is it done?