Hello, I need your help, I have a mazda 6 2013 year, it has a problem of bsm service off for a long time, it lights up and flashes on the dashboard, the said service also does not work, I mean the overtaking sensor, when the car is close to me, it does not light up, how can this problem be solved,
Thanks in advance

 

Get it professionally scanned for fault codes and carry out the related diagnosing.