The most common problem for setting the SRS light in your model is the seat belt latch switch.
Because it is a seat belt part it is covered for the life of the car under warranty. FREEBIE
Head to your local dealer and see what they say the codes are, you can always tell them 'NO' if they want to charge you for a bunch of repair work. GET THE CODES FROM THEM.
Then repost if you need more help.
FYI you need the proper scan tool to read the codes.
The BAT website does not endorse untrained people servicing airbag systems, it CAN be DANGEROUS.