Originally Posted by 1325

Ah! I stand corrected and see what you mean now. Regardless, you'll need to tale the cap off closest to the engine with due care (use a rag to prevent scathing). You'll want to take the reservoir cap off too to drain the old coolant that's pooled in there. At least on the 2010 model year, only two 10mm bolts hold it in place, and you can tilt the tank to dump the fluid.