Driving course in class b (trinn 1 completed already)

Hi, i would like to start a driving course for car in class b. i have already completed both the First Aid (with røde Kurs in Forus) and the Dark Driving (with Din Trafikkskolein Sandnes), and as i am over 25, i assume Trinn 1 is completed. What i would like to do next is the Obligatorisk veiledningstime Trinn 2. Please can you let me know when i could start? i will be moving to Oslo in 3 months time, so i would like to try complete my drivers license before then if possible. i am working at the main Statoil building (Forusbeen 50), so for me the easiest would be to start and end there. i am quite flexible with regard to time (anytime after 9am).