When Kristian turns around by the ferry, his car sounds like a V8, even though the Jeep Cherokee of that vintage never was delivered with one. According to the badging, he has a 4.0 straight six engine.
When Kristian goes to the fuel station, he picks up the diesel pump even though the car is (according to the badging) a Jeep Cherokee 4.0, running on petrol. He should've used a green petrol pump instead of the black diesel pump.
When Kristian, Sondre and Julia are in the jeep, the front passenger seat is empty, then they change the camera to Sondre who is sitting in that seat.
The father and daughter are shown getting into the jeep. A shot from the right shows the daughter entering the car. Next shot from the left shows the daughter sitting down in the passenger seat. The next shot shows the father entering the car and the passenger seat is empty.
Errors in geography
The surveillance center's offices and Geiranger seem to be just a quick drive between each other. In real life, travel would involve either a drive with two ferries or one drive with a sixty minute ferry ride.
The film takes place in late May when they travel to Åkra, in late summer August traveling by helicopter in the mountain, in June when they return.
When Idun is about to give Kristian mouth-to-mouth, a close-up shot shows Kristian opening his mouth slightly, just a moment before she breathes into his mouth. His chin moves right after Idun adjusts his head and removes her hand from his face.