If the power door lock switch does not operate electrically, the only way to lock the door(s) is with the mechanical key from the outside key hole.
You can lock the doors without the outside key hole as follows:
1. Open the door.
2. Insert the key into the emergency door lock hole and turn the key horizontally to lock.
3. Close the door securely.
Kia Cee'd JD Service Manual: Front Door Outside Handle Repair procedures
Replacement
[Front Door Outside Handle]
1.
Remove the hole plug (B).
2.
After loosening the mounting bolt, then remove the front door outside
handle cover (A).
Tightening torque :
...
Kia Cee'd JD Owners Manual: Battery recharging
Your vehicle has a maintenance-free,
calcium-based battery.
If the battery becomes discharged in a
short time (because, for example, the
headlights or interior lights were left on
while the vehicle was not in use),
recharge it by slow charging (trickle)
for 10 hours.
If the ba ...