Hmmm...the flat buttons must replace the dial. Are the flat buttons labeled? It is a good idea to brown the roast first in a pan/skillet, but if it too much of a stressor for you, just put it in the slow cooker, it might take an hour or so more. The browning helps it taste better (just an opinion).

I never brown it before putting it in the cooker. I scrub the veggies but seldom peel them. Veggies on the bottom, pour 1/4-1/2 cup water over them, sprinkle salt and pepper on the roast, put it on the veggies, slap the lid on it and cook it in life for 8 hours. Perfection.