1. Open the file “car-color.psd”,
2. Get a new adjustment layer for Hue/Saturation, and rename it as “red2gold”
3. Double click the layer thumbnail icon to bring up the Hue/Saturation up
4. Change the “Master” to “Red” as we only need change the red color, so don’t change the all Hue values
5. Click the target adjustment tool icon on the top left corner of the Hue palette, and drag the Hue value to 50
6. Hide the adjustment layer, Select > Color Range: click the red ranges and shift/drag, then click OK in order to create the selection
7. Get another Hue/Saturation adjustment layer, and name it gold colorize,
8. Check the Colorize box to colorize it (Hue value: 40 / Saturation: 60)
9. Switch the blending mode to Hue for the new Hue adjustment layer