Reclining Front Seatbacks - GMC 1999 Suburban Owner's Manual

Heated Front Seats (If Equipped)
The control for the driver's side heated seat is located on
the left side of the seat. The control for the right front
passenger is located on the right side of the passenger's
seat. Move the switch forward to MED or HIGH
temperature to turn on the heating elements in the seat.
The right front passenger's safety belt must be buckled
before the heating elements in that seat will operate.
To turn the heated seats off, move the switch rearward
to OFF.
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Reclining Front Seatbacks

To adjust the seatback, move the lever rearward.
Release the lever to lock the seatback where you want it.
Move the lever again rearward and the seatback will go
to an upright position.
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