What's the Acura RDX brake fluid type?

You are going to need to use DOT 3 brake fluid for a base model Acura RDXBecause it does not have anti-lock brakes. Higher end trim levels are going to need to use DOT 4 brake fluid. You'll need to check Your owner's manual to see if You have one of these models. Honda recommends using their brand of brake fluid for this vehicle as they produce Acura vehicles so this brand will give You the best performance. You'll need to purchase a few quarts to make sure You get it fully filled up all the way. These will cost between $15 and $30 total.