You don't. You call a locksmith and have him open the door.
If your battery is dead it wont come out of park. it has a solenoid that has to release ,if battery is dead it wont. hope this helps.
manualy
Remove battery cover and connect charger to side post battery.
Yes.
The form of potential energy inside of a battery is electrical energy travel inside the circuit. It takes cells inside the battery don't recharge, the cells are dead.
Call OnStar
Battery is probably dead.
Take the old dead battery out and look closely at it. The Type is written on the battery.
Dead cell in the battery or something is on pulling power from the battery. Have the battery tested at any auto parts store.
Yes. If the alternator is dead and you drive the vehicle, all the power is coming from the battery and it will eventually drain completely. Also, if a diode is shorted inside the alternator, that can drain a battery.
Either you've got a dead cell in the battery or the cable ends need to be cleaned and tightened.
Call locksmith or local police dept.