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Fri, 01/26/2018 - 10:55 -- sdukbewiser

Where to legally mount a sat nav

Fri, 26/01/2018
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Where to legally mount a sat nav

Many of us use a sat nav to get us from A to B. Not only do they read out the directions for us, but they can also give us traffic updates and redirect us to save time. But do you know where you can legally mount a sat nav in your car? Or have you been unwittingly breaking the law?

Andy Goodwin, MSN News, reports:

When the Road Traffic Act 1988 was drawn up, the idea of smartphones and sat nav being commonplace in everyone’s car was still the stuff of science-fiction films.

By 2003, things had already changed significantly, requiring an amendment to the Act stating: “No person shall drive a motor vehicle on the road if he is using a hand-held mobile telephone” to address the growing issue.

The changes also made it an offence to send text messages, pictures or use the internet while driving, but using a phone as a sat nav wasn’t specifically outlawed, leaving a legal grey area.

Motorists concerned with their use of a smartphone sat-nav app in the car – and where best to position a phone or portable sat-nav device while driving – need to do even more investigating and may find mixed messages, even from the police.

Some rules are clearer than others. For example, it’s illegal to hold a mobile device to make phone calls from behind the wheel unless it’s an urgent emergency. But the rules are less black-and-white if you use a hands-free device like a Bluetooth connection, Apple CarPlay or Android Auto, with the law simply stating “you must stay in full control of your vehicle at all times”.

Where can I mount my sat nav or smartphone?

There are no specific rules for the positioning of a sat nav or smartphone in the car, but the Road Vehicle Regulations dating from 1986 make it clear it’s an offence to drive without "a full view of the road ahead".

A Department for Transport (DfT) factsheet on the subject stuck close to standards adhered to when a vehicle has its MoT inspection, splitting the windscreen into zones A and B. Zone A is said to be a 290mm wide strip above the centre of the steering wheel, up to the highest point the windscreen wipers reach, while zone B is the rest of the windscreen.

Obstructions like sat navs and phones (but also including stickers, or anything else that blocks your view) should not “encroach more than 10mm” within the critical zone A or “encroach more than 40mm” in zone B.

It may be impossible to fit a sat nav or smartphone to a car windscreen without breaking these rules, because very few devices measure under 40mm across. However, MoT testing criteria also state that if an “obstruction does not impair the driver’s view of the road, the vehicle should pass [its MoT]. If it only affects the driver’s view of the sky or the bonnet then this is not to be considered a reason for rejection”.

This suggests it may be allowed to position a device measuring more than 40mm/10mm in the windscreen if it's high enough or low enough to only obscure the dashboard or sky, without affecting your view of the road ahead.

Is it illegal to touch my smartphone when using it as a sat nav?

Unfortunately, the law isn’t completely clear on this either. The 2003 Road Traffic Act update made it illegal to use a hand-held mobile, detailing: “it is, or must be, held at some point during the course of making or receiving a call or performing any other interactive communication function.”

Perhaps unsurprisingly, given how much technology has changed since 2003, no mention is made of using a sat-nav smartphone app, leaving this topic open to debate. However, rule 149 of the Highway Code clears things up somewhat, stating: “You MUST exercise proper control of your vehicle at all times. Using hands-free equipment is also likely to distract your attention from the road.”

Rule 150 is useful to note, too, continuing: “There is a danger of driver distraction being caused by in-vehicle systems such as satellite-navigation systems. Do not be distracted by maps or screen-based information (such as navigation or vehicle management systems) while driving.”

As you’ll have gathered, the laws on the matter are open to interpretation and often it's down to individual police officers – and the courts – to decide if a sat-nav or mobile phone was being used in a way that could have impaired your driving. Government advice sums this up, saying: “The police can stop you if they think you’re not in control because you’re distracted and you can be prosecuted.”

As technology develops, the rules surrounding using sat navs and mobile phones for directions will need to be clarified. One thing remains clear, though - a driver’s focus should be on the road at all times, and should a sat nav or mobile phone become a distraction, its use whilst driving should be abolished.

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