How do you fix the rear door hatch lock that doesn't release?

To fix a rear door hatch lock that doesn't release, first check the key fob battery and replace it if needed. If that doesn't work, inspect the lock actuator for any signs of damage or wear, and ensure the wiring is intact. Lubricate the lock mechanism with a silicone spray to reduce friction, and test the lock again. If the problem persists, consider consulting a mechanic as the actuator may need replacement.