Development of communication technologies allowed people to access to others as they are mobile without losing their contact with their social milieu. And last minute meetings, daily changed plans and cancelled appointments became a part of our lives. Most of the time people owning a mobile phone have to explain the reason why they are not accessible. So communication is handled on individual basis, location restrictions gained minor importance. It means that a person does not have to lose contact with his/her social milieu whether he/she is at home, work or in a car.

We do not have much difficulties in using our devices to reach communication technologies as we are at home or walking on the streets. The issue gets tougher when we started to drive our cars. The main actor in the car is the car, making the course decisions and using the in-vehicle devices. Normally a driver