Cadillac 2003 Seville Owner's Manual page 10

Reclining Seatbacks
The heated seats can only be used when the ignition is
rurnea on. Tne nearing eiemenrs in rne seais
automatically turn off when the vehicle's ignition is
turned off.
See Head Restraints
on
pape 1-5.
Only the outboard rear seat positions have heating
elements.
1-3