1993 Buick Regal Owner's Manual - Page 88
1993 Buick Regal Manual
Page 88 highlights
Cruise Control (Option) I A CAUTION: Cruise Control can be dangerous where you can't drive safely ata steady speed. So, don't useyour Cruise Control on winding roads or in heavy traffic. Cruise Control can be dangerous on slippery roads. On such roads, fast changes in tire tractioncan cause needless wheel spinning, and you couldlose control. Don't use Cruise Control on slippery roads. With Cruise Control, you can maintain a speed of about 25 mph (40 km/h) or morewithout keeping your foot on the accelerator. This can really help on long trips. Cruise Control does not work at speeds below about 25 mph (40 h/h). When you apply your brakes, the Cruise Control shuts off. 86