Chevrolet 2010 Colorado Owner's Manual page 30

Power Lumbar
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.
2-4
If the vehicle has this
feature, the control is
located on the outboard
side of the seat(s).
Heated Seats
This feature will heat the cushion and back of the seats.
Press HI to turn the heat to the high setting. Press
LO to turn the heat to the low setting. Put the switch in
the center position to turn the heat off.
The ignition must be on for the heated seat feature to
work. The seat will heat to the last setting if the ignition
has been turned off and then turned back on.
The passenger safety belt must be fastened for the
heated seat feature to work on the passenger seat.
If the vehicle has this
feature, the controls are
located on the outboard
side of the front seats.