Vauxhall Insignia car wont start

hi can anyone help me please i bought a vauxhall insignia last week its been working fine driving it yesterday an today i put it in for its taxi mot it passed can i was driving home there was a service ligigt on the dash witch ive never seen be for so i turned the car off then turned it back on it suggled to start but i got it going when i got it home i done the same again but this time it wouldn't start ive tried every thing to get it running i.e jump leads swooping the battery off my other car still no joy i have also uploaded a video to youtube to help with me issue any advise would be gr8at as i only got the car lastweek and it cost me over 3000pound an the worsed thingt is i have a baby due next week https://www.youtube.com/watch?v=nhtJbj5PZ3g