Do you ignore your sat-nav to reach your destination quicker? Most drivers do, poll finds

The vast majority don't trust sat-navs to complete journeys in the fastest time. But there are still one in ten motorists who blindly follow every instruction, even those putting them in danger. The vast majority don't trust sat-navs to complete journeys in the fastest time. But there are still one in ten motorists who blindly follow every instruction, even those putting them in danger.