Yup, the little dots with sticky backing are used to ballance the front bar. Put the back peices together, level everything using the front section as a level. Use the screws to adjust level. Once you get the rear and center sections levled... put the front peice in place. If the front peice doesn't level correctly with nothing on it, use the little dots to ballance it. Once you've ballanced the front, you don't really need to repeat that process again, unless one of the dots falls of or something... The other steps have to be done each time you set up the tweak station.
You center the car on both the front and back peices... once the station is leveld, the car is in place (centered), you use the bubble level on the front to adjust tweak to 'zero'... At least for road course, I beleive the idea is to get it to level or zero tweak...
For oval, we almost always have some tweak in the left rear... I use mine by putting some weight on the oposit side, that is equal to the amount of tweak I want... but this is a road course section... so you probably don't care about that.