Car will not unlock with remote key
Try these fixes……
Key fob battery is dead
If the car responds to the signal at a shorter distance each time, then you need to look for a suitable battery.
Contact failure
Most often this problem occurs in the battery compartment of the key fob. The malfunction can be remedied by simply cleaning the contacts.
Vehicle is in a radio interference zone
Wear and tear of the alarm system
Car battery is dead
In the case of a low battery, it may be the reason the car does not respond to the remote key.
Electronics failure
Old wiring is another cause of signaling problems. Because of this, they can occur frequently and unexpectedly
Water damage
Although car key fobs are water resistant, but they are not completely waterproof. Check if there is any water damage on the circuit board of the key fob.