2008 Toyota Tacoma Owners Manual - Page 200

08 02.19 (b) A.D.D. (automatic disconnecting differential) Use the front drive control switch knob to select the following transfer modes. "H2" (high speed position, two−wheel drive): Front drive control switch knob at "H2" Use this for normal driving on dry hard− surfaced roads. This position gives greater economy, quietest ride, least wear and better vehicle control. "H4" (high speed position, four−wheel drive): Front drive control switch knob at "H4" The four −wheel drive indicator light comes on when the "H4" mode is selected. Use this for greater traction than two− wheel drive. (When you experience a loss of power, such as wheel slipping.) This position provides greater traction than two−wheel drive. With the vehicle stability control system-In this mode, the vehicle stability control system is off. (See "Vehicle stability control system" on page 185 in this Section) "L4" (low speed position, four−wheel drive): Front drive control switch knob at "L4" The four −wheel drive and "4LO" (low speed four −wheel drive) indicator lights come on when the "L4" mode is selected. Use this for maximum power and traction. Use "L4" position for climbing or descending steep hills, off −road driving, and hard pulling in sand, mud or deep snow. See "(c) Shifting procedure" for further instructions. With the vehicle stability control system-In this mode, the vehicle stability control system is off. (See "Vehicle stability control system" on page 185 in this Section.) 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. 176 2008 TACOMA from Apr. '08 Prod. (OM35898U)