In a test setting we determined the runtimes of signals between app and vehicle and back to the app. After a few attempts, the trust in the examined service, which allows opening and closing the car via app, was large enough so that the real key remained in the car permanently. But exactly after this the service failed, the car refused every command of the app, and one of our experts had to climb through the open sunroof to open the car from the inside again.
The possibilities offered by a vehicle connected to the Internet, such as keyless car sharing within the family, can make life much easier. But as always, the services must be reliable and remain easily comprehensible.
Lesson #4 – Vehicle apps, which every manufacturer nowadays provides so users can trigger various vehicle functions are fine perks. Reliability and good performance are the most important requirements for these functions to be used and to be fun to use.