lumbar support GMC SONOMA 2003 Owner's Manual

Power Seats
If your vehicle has this feature, there will be a control on
the outboard side of the front seat(s).
Horizontal Control:Raise or lower the front of the seat
by raising or lowering the forward edge of the control.
Raise or lower the rear of the seat by raising or lowering
the rear edge of the control. Move the seat forward or
rearward by moving the whole control toward the front or
the rear of the vehicle.Moving the whole control up or down raises or lowers
the whole seat.
Vertical Control:Move the reclining front seatback
forward or rearward by moving the control toward
the front or rear of the vehicle.
Manual Lumbar
If your vehicle has this
feature, there will be a
knob located on the
outboard side of the
driver’s seat.
Turn the knob counterclockwise to increase lumbar
support and clockwise to decrease lumbar support.
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2003 - Sonoma OM

Power Lumbar
If your vehicle has this
feature, there will be a
control located on
the outboard side of
the front seat(s).
Press and hold the front of the control until you have
the desired lumbar support. To decrease lumbar
support, press and hold the rear of the control.
Heated Seats
If your vehicle has this
feature, the controls are
located on the outboard
side of the front seats.
This feature will quickly heat the lower cushion and
lower back of the driver’s and front passenger’s seats
for added comfort.
Press the lower part of the switch to turn the heater on
low. Press the upper part of the switch to turn the
heater on high. Put the switch in the center position to
turn the heater off.
The passenger’s safety belt must be engaged for the
heated seat feature to work on the passenger’s seat.
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2003 - Sonoma OM