2010 Chevrolet Suburban 2500 Owner's Manual - Page 46

The vehicle may have 4-way lumbar. . Heated Seats To increase lumbar support, press and hold the front of the control. To decrease lumbar support, press and hold the rear of the control. To raise the height of the lumbar support, press and hold the top of the control. To lower the height of the lumbar support, press and hold the bottom of the control. . { WARNING: If you cannot feel temperature change or pain to the skin, the seat heater may cause burns even at low temperatures. To reduce the risk of burns, people with such a condition should use care when using the seat heater, especially for long periods of time. Do not place anything on the seat that insulates against heat, such as a blanket, cushion, cover or similar item. This may cause the seat heater to overheat. An overheated seat heater may cause a burn or may damage the seat. On vehicles with heated front seats, the controls are located on the driver and passenger doors. I (Heated Seatback): Press to turn on the heated seatback. J (Heated Seat and Seatback): Press to turn on the heated seat and seatback. . . Release the control when the lower seatback reaches the desired level of lumbar support. Your vehicle may have a memory function which allows seat settings to be saved and recalled. See Memory Seat, Mirrors, and Pedals on page 2‑10 for more information. Keep in mind that as your seating position changes, as it may during long trips, so should the position of your lumbar support. Adjust the seat as needed. 2-8