2007 Toyota Tundra Owners Manual - Page 241

07 04.26 To turn off: Push "TOW/HAUL" switch once again and the "TOW/HAUL" mode indicator light goes off. "TOW/HAUL" mode is canceled by pressing "TOW/HAUL" switch again or by turning the ignition switch to "OFF". Even when "TOW/HAUL" mode is used during normal driving, no damage is caused to the engine or the transmission. However, fuel economy is reduced and the transmission and/or engine driving characteristics may feel unusual. Toyota recommends using "TOW/HAUL" mode only when a heavy trailer or a large heavy load is towed. XS17036a (i) "TOW/HAUL" switch (on some models) Use "TOW/HAUL" mode when pulling a trailer or hauling a heavy load. In this mode, the driving and engine braking performance is improved in accordance with towing conditions or increased load. To turn on: Push "TOW/HAUL" switch "TOW/HAUL" mode is activated and "TOW/HAUL" mode indicator light comes on by pressing "TOW/HAUL" switch. 2007 TUNDRA from Jul. '07 Prod. (OM34463U) 223