2009 Toyota Tundra Owners Manual - Page 211

2-1. Driving procedures n Shift position uses Shift position P R N D S Function Parking the vehicle or starting the engine Reversing Neutral Normal driving*1 S mode driving*2 2 *1: *2: To improve fuel consumption and reduce noises, set the shift lever in D for normal driving. Selecting shift ranges S mode restricts the upper limit of the possible gear ranges, control engine braking forces, and prevents unnecessary upshifting. When driving Changing shift ranges in S mode Shift the shift lever to the S position and operate the shift lever. Floor shift type Upshift range Downshift range 181