Kia Sedona Warranty

I Thought Just My A/c Was Broken And Being In Ma I Didn't Think It Was Worth The Cost To Fix It, But Now We Are Trying To Use The Heat And...

Is It Typical/proper/even Leagl For Dealer To Charge $89/hr Or Any Amount To Diagnose A Problem On A Car Still Under Warranty?

Right Front Noises - Clicking Then Whining Noise - Now Quiiet But Car Seems To "buck" Both When Idling And When In Drive - Not Sure If This...