After sleeping the first time in your bed, after discovering the house cave you will have to go to the beach.
First you will have to open the church gate

by using the circuit breaker in the wirering box.
















to see the "wire code" you have to trigger de rain to make wirering cabinet hatch move.

Once in, you have to get back a van key from a crow.
To lure him you first have to knockdown 3 scarecrows.

The first is on the left from the point of view :

The second is in front of the vault :

The last one is at the very back in front of the bales of hay :

Once it's done you have to put a mushroom on the ground about here and move away (while still seeing the mushroom)

Wait for the crow to come down to it and go back to the mushroom to scare him away without the key.
After retreving the key you can go back to the white van and open it.
You will obtain an damaged axe and a tape.
Listen to it and you will learn that the lady who lives in the house in front of which the van is parked has problems with her digicode.
You will unlock the quest in the same time.

the code is : 3178