With another battery connected to the dead one or what a battery charger.
Dead cell in battery or something is on pulling power from the battery.
The cadillac catera did not come out with a key for the trunk its all electronic so if your battery is dead there is a release lever in the trunk on the trunk lid.
When the battery is dead in a 97 Catera, the electric locks will open manually with the key.
Bad battery or a parasitic drain
Jump the car from another car battery or hook a charger to the battery.
most likely because the battery is either dead or disconnected
Dead cell in battery, defective alternator, or something is on pulling power from the battery.
if your battery is dead it will not give you back the key, you will have to put cables on the battery i found this out the hard way
Turn the key to the run position and then put it on neutral. c.s.
Use your door key.
it is not a power hood release, so it will operate with a dead battery, then it has a safety release behind the grille. no power needed. goodluck
If you lift up the boot on the shifter, there's an override button which MIGHT work with a dead battery. Barring that, the best way is to connect a battery charger or another vehicle with jumper cables to it.