2002 Toyota Tundra Owners Manual - Page 106

'02 TUNDRA_U (L/O 0108) (b) A.D.D. (automatic disconnecting differential) Use the "2WD/4HI" and "4LO" buttons to select the following transfer modes. 1. "2WD" (high speed position, two- wheel drive): "2WD/4HI" and "4LO" buttons left out Use this for normal driving on dry, hard-surfaced roads. This position gives greater economy, the quietest ride and least wear. 2. "4HI" (high speed position, four- wheel drive): "2WD/4HI" button pushed in The "4HI" (high speed four-wheel drive) indicator light comes on when the "4HI" mode is selected. Use this for normal driving on wet, icy or snow-covered roads. This position provides greater traction than two- wheel drive. 3. "4LO" (low speed position, four- wheel drive): With the "2WD/4HI" button pressed in, push the "4LO" button The "4LO" (low speed four-wheel drive) indicator light comes on when the "4LO" mode is selected. Use this for maximum power and traction. Use "4LO" mode for climbing or descending steep hills, off-road driving, and hard pulling in sand, mud or deep snow. See "(c) Shifting procedure (button type)" for further instructions. The A.D.D. can be engaged or disengaged by the shifting operations described in "(c) Shifting procedure". You should drive in four-wheel drive for at least 16 km (10 miles) each month. This will assure that the front drive components are lubricated. 106 2002 MY TUNDRA_U (OM34417U)