anti skid service required and srs airbag service urgent
 

hi , i had a accident with my volvo(small one) , and after the crash(airbags did not open) a get those errors. i went to volvo workshop and they tried to erase them but the pop up again.
they said that i need to replace my belt and i did it... but nothing happend! i have those errors again. now the told me that i must replace the belt tentioner.

any ideas?