lumbar support TOYOTA TACOMA 2017 Owners Manual (in English)
Page 16 of 44
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Parking brake
Seats-Head restraints
Seats adjustments-Front
FEATURES & OPERATIONS
(1) Pull slightly
(3) Lower
SetRelease(2) PushPull
Lock release buttonLock release lever
Pull
Separate seats-Front
Vertical adjustment
Separate-Rear
Folding
Folding
Outer-Rear
Lock release button
Seatback angle
Lock release buttonLock release button
Separate seats-FrontRear
Vertical adjustment Vertical adjustment
Seat position
(forward/backward)Driver’s seat lumbar 
support (if equipped)
ACCESS CAB
DOUBLE CAB