2004 GMC Canyon Owner's Manual - Page 236

If You Are Stuck: In Sand, Mud, Ice or Snow In order to free your vehicle when it is stuck, you will need to spin the wheels, but you do not want to spin your wheels too fast. The method known as "rocking" can help you get out when you are stuck, but you must use caution. CAUTION: (Continued) That could cause an engine compartment fire or other damage. When you are stuck, spin the wheels as little as possible. Do not spin the wheels above 35 mph (55 km/h) as shown on the speedometer. Notice: Spinning your wheels can destroy parts of your vehicle as well as the tires. If you spin the wheels too fast while shifting your transmission back and forth, you can destroy your transmission. For information about using tire chains on your vehicle, see Tire Chains on page 5-72. {CAUTION: If you let your tires spin at high speed, they can explode, and you or others could be injured. And, the vehicle can overheat. CAUTION: (Continued) 4-44