Using a phone or smart watch when you’re driving is extremely dangerous. Taking your eyes off the road for 2 seconds or more doubles your risk of a collision. Apart from the serious safety hazards associated with using your phone whilst driving, there are also severe penalties if you’re caught. The great news is that Apple’s “Hey Siri” feature enables you to use voice commands to get help with everything from texting a friend, reading received texts, calling a number in your contacts list, setting reminders, adding events to your calendar, playing a song, finding the nearest petrol station, to...