can't start car sigma m30
 

can you help me today i've changed the battery in my key fob from my spare set,picked the kids from school everything o.k then went to mac's for there tea stayed in the car when they had finished went to start car so pressed fob and the dash light would not come on but the fob light is working but car will not start,got out of car and pressed fob and nothing will not arm or lock.so i reset car battery and stilll nothing but i can get car working through keypad in glove box and entering code car runs, turn off ignition press fob and still nowt?help thank's craig