Cadillac 1998 Seville Owner's Manual page 71

Trunk
2. Remove and replace the battery. Insert the new
battery as the instructions under the cover indicate.
3. Snap the transmitter back together and resynchronize
it by pressing and holding the lock and unlock
buttons for about eight seconds within range
of the
vehicle. Once the transmitter is resynchronized, the
horn will chirp and the exterior lamps will
flash once.
It can be dangerous to drive with the trunk
lid
open because carbon monoxide (CO) gas can
come into your vehicle. You can't see or smell
CO. It
can cause unconsciousness and even death.
If you must drive with the trunk lid open or if
electrical wiring or other cable connections must
pass through the seal between the body and the
trunk lid:
0
Make sure all windows are shut.
"urn the fan on your heating or cooling
system to its highest speed with the setting
on AUTO and the temperature between
65°F (18°C) and 85°F (29°C). That will
force outside air into your vehicle. See
ccComfort Controls" in the Index.
If you have air outlets on or under the
instrument panel, open them all the way.
See ccEngine Exhaust" in the Index.
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