How long should I leave the engine coolant heater plugged in during cold weather?
Usually the coolant heater should be plugged in a minimum of four hours prior to starting your vehicle. However, the time may vary depending on the outside temperature, the kind of oil you have, and some other things. A dealer in the area where you’ll be parking your vehicle can give you the best advice for that particular area. What is the DSP function in the audio system of my CTS? This feature is used to provide a choice of five different listening experiences: DSP normal, talk, spacious, rear seat and driver seat. DSP can be used while listening to the radio or the CD player. See your Owner anual for more information on using this feature. How does THEFTLOCK discourage theft of my radio? With THEFTLOCK activated, your radio will not operate if stolen. See your Owner’s Manual for more information about activating THEFTLOCK. Why do I hear a momentary motor or clicking noise when I start my engine and begin to drive away? Your vehicle has anti-lock brakes. You may hear a momentary mot
