Assuming $100/hr labor rate, that's about right.
1 month beyond warranty and less than 50K plus this is a known issue. GM ought to step up on this, have you contacted GM directly? Send 'GM Customer Service' here a private message.
1 month beyond warranty and less than 50K plus this is a known issue. GM ought to step up on this, have you contacted GM directly? Send 'GM Customer Service' here a private message.