Tool Required: a small flat screwdriver.

Step 1: Use the flat screwdriver to open the map light or rear/center dome light housing.

Two pictures are for removing the map light housings.

Two pictures for removing the rear/center dome light housing.

Step 2: Take the stock tungsten bulb(s) out and directly replace back with the JDM LED bulb(s).

Step 3: Test it, it the bulb(s) won't light up, please take the bulb(s) out,  rotate the bulb(s) 180 degree and re-install back again.

Step 4: Put back the map light or dome light lens.  Enjoy your beautiful LED map/dome lights.