Okay, so l have a 2002 three door Holden Barina.. and one day l just could not get the boot / trunk / rear door open.

The key hole on the rear door has never worked when I've tried to use it to unlock that door, but it used to open when l unlocked the entire car using the driver is side door or keyless entry.

If anyone has any ideas about resetting the locks or car so that l can get into the boot and get my belongings out, it'd be awesome.

The only wat to open it would be to fold down the centre seat and climb through into the boot and manually open it.

sorry not possible to reset so to speak, you have a lock problem in the hatch, just fold down the back seat to get your stuff out. you will need someone to get in there (boot area) and take off the trim to gain acess to the lock, there will be a rod or cable that might of come off.