[Fast Freddie]

Look for burns on the headliner by the window, on the carpets and on the seats. Check the Lighter, most detailers will miss this item.

 

[DrJones]

That tarry grey/brown film that builds up on the windows is a dead giveaway, too. It's damn near impossible to get that crap out of the very corners of the windows.

 

[clavos]

Ashes in the seat tracks where it is nearly impossible to get a vacuum.

 

[blackgti06]

especially under neath the seat.

 

[youpey]

i smoke, but never in my gti, not even once. i had an rx8 that i did smoke in, and it was always covered in ashes and other nonsense. i want to keep that new car smell as long as i can

 

[Voyles]

Look in the cabin filter. People never look or hardly change theirs!