गूफ़

Even without a map or network signal the group should have been able to use the GPS of Alice's phone to orient themselves as it receives the data directly from satellites orbiting earth, in any weather 24hs a day.

One of the characters asks for the keys to a Tesla Model S because she wants to drive. The Tesla Model S doesn't use a key but rather a phone, fob, or key card.

An Australian character played by an Australian actor uses the word "cell phone", which is uniquely American, rather than "mobile (phone)"