To be honest the best thing you can do is take the vehicle completely apart, buy yourself some white primer and and primer the whole vehicle. Just make sure all the stickers are off and they apply a nice coat of primer. I personally use the kind pictured below. It goes on nice and when its dry gives a nice base to apply color too. The Rhino for the most part is molded in black so you are going to have one heck of a time trying to get the tan color to cover up the black color. If you primer it with a nice white primer you have a nice white coat to that will make it so you only have to put your tan color on one time instead of several if you leave it black. Below is a pic of the primer I use and you can pick it up at any Home Depot store in the spray paint section.

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Lance_Sputnik: Where is everyone?
Jimmyboy: Dream is probably shelving books; Doss is enjoying breakfast tacos, SM just got a call from his GF; Dan is hoarding MREs; SG and SD are making UK TF Outback angels;