GM Service Manual Online
For 1990-2009 cars only

On vehicles with heated front seats the controls are located on the center console. The engine must be running to operate the heated seats.

(Heated Seat): Press this button to turn on the heated seat.

The indicator light on the button shows that the feature is on and the level of heat, three being the highest. Press the button to choose the level of heat.

The passenger seat may take longer to heat up.