cleaning the throttle body will smooth out at idle roughness if you have any.. but I am curious as well what difference sea foam would make
open your hatch and look at the third brake light, you will see 2 screws, then just wedge it towards you and unclip the light and pop off the rubber seal
open your hatch and look at the third brake light, you will see 2 screws, then just wedge it towards you and unclip the light and pop off the rubber seal