Black plate (22,1)Cadillac STS Owner Manual - 2011To save fuel, run the engine for only short periods asneeded to warm the vehicle and then shut the engineoff and close the window most of the way to save heat.Repeat this until help arrives but only when you feelreally uncomfortable from the cold. Moving about tokeep warm also helps.If it takes some time for help to arrive, now and thenwhen you run the engine, push the accelerator pedalslightly so the engine runs faster than the idle speed.This keeps the battery charged to restart the vehicleand to signal for help with the headlamps. Do this aslittle as possible to save fuel.If Your Vehicle is Stuck in Sand,Mud, Ice, or SnowSlowly and cautiously spin the wheels to free thevehicle when stuck in sand, mud, ice, or snow. SeeRocking Your Vehicle to Get It Out on page 5ā23.If the vehicle has a traction system, it can often helpto free a stuck vehicle. Refer to the vehicle's tractionsystem in the Index. If stuck too severely for the tractionsystem to free the vehicle, turn the traction system offand use the rocking method.{ WARNING:If the vehicle's tires spin at high speed, theycan explode, and you or others could be injured.The vehicle can overheat, causing an enginecompartment fire or other damage. Spin thewheels as little as possible and avoid going above55 km/h (35 mph) as shown on the speedometer.For information about using tire chains on the vehicle,see Tire Chains on page 6ā74.5-22