2010 Hummer H3 Owner's Manual - Page 16

1-12 In Brief Transfer Case Buttons Climate Controls The transfer case buttons are located to the right of the instrument panel cluster. Use these switches to shift into and out of the different Full-Time Four-Wheel Drive modes. A. Temperature Control B. Fan Control C. Air Delivery Mode Control D. Air Conditioning E. Air Recirculation F. Rear Window Defogger See Climate Control Systems on page 8‑1. Transmission Full-Time Four-Wheel Drive sends engine power to all four wheels for extra traction. 4 m (Four-Wheel High): For driving in most street and highway situations. N (Neutral): Shift the transfer case to Neutral only when towing the vehicle. See Driving Characteristics and Towing Tips on page 9‑70.