Parking in a tight space can get really stressful. As you manoeuvre and strain your neck to see through the rear window, impatient drivers back up behind you and honk their horns. Wouldn't it all be easier if you had a camera to help?

In many new cars, even small and inexpensive ones, they now come as standard, and others offer them as optional extras. They are positioned near the number plate and automatically turn on when you engage the reverse gear.