1997 GMC Sonoma Owner's Manual - Page 88

Cruise Control (If Equipped) With cruise control, you can maintain a speed of about 25 mph (40 km/h) or more without keeping your foot on the accelerator. This can really help on long trips. Cruise control does not work at speeds below about L -control can be dangerous whereyou Cruise O If you have an automatic transmission and you apply your brakes, the cruise control will shut off. If you have a manual transmission and you apply your brakes or push the clutch pedal, the cruise control will shut off. So, can't drivesafely at a steady speed. 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, andyou could lose control. Don't use cruise control on slippery roads. 2-40