you use the key that you start the engine with
A lot of car company's have installed the You put the key in your door and turn it to the left or right and it will unlock all the door's ( NO BATTERY'S REQUIRED!!)
Viper car alarms 5002 how do you reset after remote battery dies?
You can get a new battery, you can jump start the car with jumper cables and another car with a charged battery. You can also put a battery charger on your battery to give it a charge.
battery cables not making good contact with battery
The hazard lights get their power from the battery so if the battery is dead they will not work.
The alternator is not working properly. Your car will still run off the battery for a little while then when the battery dies the car dies. Check the alternator or take it to autozone and they will check it for you.
Use jump leads from another vehicle or charge your battery on the car
if you can start car pull off the neg battery cable if car stalls its the altinater if it stays running it might be the battery
If the battery Is disconnect you must use the manual key entry on the door to get in.
By using your key to unlock the door.
If you have power enough in your battery to start the car, then this is not the likely cause. Maybe the carburetor is in need of a proper rinse.
Terminals or the battery it self are not securely fastened in the vehicle.