In this video a show pictures and video of what i did to fix the door locking unlocking this will fix the issue when hot temperature car not unlocking l.
How to fix door key lock on 2002 chevy impala.
If the lock and door are not damaged i suspect some damage the lock rod may be unhooked.
Chevy duramax drivers side door not unlocking or locking fix.
Pics when you have it apart would help.
If so it s likely that you re dealing with a faulty lock actuator which is a somewhat common problem in 2008 and 2009 impala models.
There is a spring slide that holds the tumbler in the door from the inside.
Is it all the door locks that don t work or just one door.
Each door has its own lock actuator which is a motor that powers the locking mechanisms.
When the light shuts off you can try to start the engine again.
How difficult is the repair job on this vehicle.
How to fix passlock for chevy vehicles.
A more permanent solution is to either replace the ignition lock.
It is easy to remove.
I tried changing the fuses but that didnt help.
Rinse repeat and cry.
Enjoy your now functioning key fob.
A temporary fix is to leave your key in the ignition at the auxiliary position for about 10 15 minutes until the security light shuts off.