Manual Transmission; Four-Wheel Drive - Toyota Tacoma 2019 Quick Reference Manual

"S" MODE
Selecting shift ranges using "S" mode restricts the upper limit of the possible gear
ranges, controls engine braking forces and prevents unnecessary upshifting.

Manual transmission

Four-wheel drive

High speed (2WD)
High speed (4WD); Shift when speed is below 62 mph.
Low speed (4WD); Shift into neutral while stopped, or depress clutch pedal
at speeds below 2 mph.
For best fuel economy and performance under normal driving conditions, keep in
"2WD" position.
+
(upshifting)
(if equipped)
(if equipped)
Turn
Turn
11
-
(downshifting)
Push and turn