1997 Pontiac Sunfire Owner's Manual - Page 95

Cruise Control (If Equipped) When you apply your brakes, or the clutch pedal, the cruise control shuts off. Cruise control can be dangerous where you can't drive safely at a steady speed. So, don't use your cruise control on winding roads orin heavy traffic. Cruise control can be dangerouson slippery roads. On such roads, fast changes in tire traction can cause needless wheel spinning, and you could lose control. Don't use cruise control on slippery roads. With cruise control, you can maintain a speed of about 25 mph (40 h hor more without 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 km/h).