1993 GMC Safari Owner's Manual - Page 208
1993 GMC Safari Manual
Page 208 highlights
Hazard Warning Flashers AN505006 Your hazardwarningflashersletyouwarnothers.They also letpoliceknow youhaveaproblem. Your frontandrear turn signallightswillflashonand Off. Buttheywon'tflash if you'rebraking. K3503 Pressthebutton and off. in to makeyour frontandrearturnsignallightsflashon 5-2
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