Chevrolet 2001 Tahoe Owner's Manual page 19

Heated Front Seats (If Equipped)
The control for the driver's side heated seat is located on the
driver's side door panel. The control for the passenger's side
heated seat is located on the passenger's side door panel.
To activate the heated seats, press the button once for the HI
heat setting. Press the button again for the LO heat setting.
To turn off the heated seats, press the button a third time.
An indicator light on the button will illuminate for each heat
setting anytime the heated seats are operating.
The heated front seats will be canceled after the ignition
is turned to OFF. If you still want to use the heated front
seat feature after you restart your vehicle, you will need
to press the heated seat button again.
1-6
If your vehicle has heated
front seats, the ignition
must be in RUN for them
to operate.
Reclining Seatbacks
To adjust the front seatback, lift the lever located on the
outboard side of the seat. Release the lever to lock the
seatback where you want it. Lift the lever again upward
and the seatback will go to an upright position.
If your vehicle has power seats with a power recliner,
see "Power Seats" in the Index for further information
on how to operate the reclining seatback feature.