welp....... the rattle is back.....
had it back in just got back from a trip.. it just turned over 36,000 ( i do have an extended warranty) got an oil change and they were supposed to fix it but its still there, i can push up on the headliner and it will stop for a while then it comes back. But what really ticks me off, they got my headliner dirty...... i took it right back and told them about it but they were at lunch. and i had to get to the ball park... going to take it back monday...

 

i have the same problem on my 08 hhr. i just turn the radio up. cheap instalation if u ask me. it can be anoying

 

I had to turn my radio off today while someone was on the phone, and the sunroof was open...fairly certain I heard rattling coming from it..... I've never noticed it before because I always have the radio on fairly loud. I agree....cheap insulation would be my guess.

 

I have a Sunroof on my 08 Never had a problem with it. HOWEVER when i was test driving the HHR's, I had another HHR that was rattling obviously i wasn't about it buy that one. Me and the Sales person though it was coming from the Sunroof . He gave it to one of techs to work on, Come to find out it wasn't the sunroof at all. It was the Luggage Rack where they Bolt on to the car. That was causing the rattling.

 

That would make sense too....I mean it is in the same area....and I do have those as well.