My turn signal in my 2007 HHR quit cancelling, I would finish my turn and the signal would keep going. This video shows how to remove the turn signal lever, fix the cancel function, then re-install the lever on a Chevrolet HHR. This cancel function fix will also work on other GM models with the same turn signal lever. (Chev Cobalt, Equinox; Pontiac Pursuit, Torrent, G5; Saturn Sky; Suzuki XL-7). \r
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The instruction for fixing the cancel function of the Turn Signal starts at about 3:50 in the video. It is hard to see (I am going to reshoot), but I turn one of the springs. The theory is that the spring, over time, gets bent the wrong way, and turning it around fixes the cancel problem.