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How Advanced Driver Assistance Systems (ADAS) can help drivers with disabilities

Automotive technology is advancing very quickly and there are a growing number of features available today that help boost car and driver safety. Some of these are known as Advanced Driver Assistance Systems (ADAS) and they check things such as braking, speed and steering tasks, and then either automatically take action or send an alert to the driver. In particular, these features can help drivers with limited mobility and disabilities with certain tasks, such as twisting in their seats to see behind them.

There is debate about the advantages and disadvantages of not having complete control over a car with these systems. Nonetheless, figures from the Department of Transport show that human error is the single biggest reason for road traffic accidents in the United Kingdom.

ADAS can reduce human error and they can be used to enhance road safety by way of:

  • Accident prevention
  • Lowering the seriousness of injury if a collision occurs
  • Improving the chances of survival in an accident.

ADAS are always being developed and, by 2020, it is estimated that many new vehicles will have no less than two kinds of systems built in as standard. Currently, car manufacturers tend to offer this technology as an optional extra, but it is becoming more affordable. 

Here are some ADAS features to check out when researching your next (or first ever!) Motability Scheme car:

Adaptive Cruise Control

Cruise control is the forerunner of all driver assistance systems. It feels like it’s been around forever, but in recent times it has become even more high-tech. Adaptive Cruise Control (ACC) can sustain a set speed like traditional cruise control, but it can adjust this speed based on traffic movement, too. This technology can not only make cruise control more convenient—it’s also a move towards autonomous driving!


Adaptive Cruise Control keeps your car driving at a set speed as well as adjusting this speed auomatically

Manufacturers have their own names for these systems, but the basic premise is that a car can accelerate or decelerate automatically. To do that, a vehicle must be kitted out with sensors that enable it to identify obstacles and nearby vehicles. Nearly all ACC systems use radar, although cameras can be used as well. The sensors communicate with a computer that oversees the throttle and, at times, the steering and brakes.

Find out more about adaptive cruise control with our comprehensive guide.

Traffic Jam Assist

Trying to drive when there’s congestion is always a demanding situation! With Traffic Jam Assist, the car evaluates the distance from other vehicles and takes over acceleration and deceleration, whilst still keeping the vehicle in the lane. This means you only need to be concerned about steering.

Check out our advice for dealing with traffic jams, regardless of the technology you might have

Autonomous Emergency Braking

As with ACC, Autonomous Emergency Braking (AEB) works via sensors that scour the road ahead for obstacles. ACC and AEB will often share the same sensors, although some systems include cameras that can see cyclists and pedestrians at the edge of the road. Complex algorithms are used to almost instantly evaluate the probability of impact. The AEB system will then warn of the approaching hazard with dashboard lights and an alarm, before operating all-out braking force if you don’t react.

If you’re driving quickly, the emergency braking may only be able to lower the speed slightly before the unavoidable accident. At lower urban speeds, there’s a greater likelihood that the looming collision may be avoided altogether. AEB technology is also being developed to circumvent head-on crashes and junction crossing crashes.

Motability Scheme customer driving Motability Scheme car

Autonomous Emergency Braking is being developed to avoid more collisions

For more information on AEB, our comprehensive guide will tell you everything you need to know

Lane departure warning/lane-keep assist

This technology is already fitted to some vehicles. However, it is being further improved to make sure that cars aren’t steered out of the lane they’re in. In some situations, an alert (i.e. a pulse through the steering wheel) is given to the driver and in other instances, the vehicle will lightly steer to keep the car in the lane. This is especially useful on dual carriageway and motorways.

Blind spot detection

Blind spot detection is already accessible in various forms. This can be as straightforward as a light on the wing mirror that shows that a vehicle is sitting in your blind spot. Other blind spot detection features stop you from driving into another lane if there’s a chance you’ll hit a vehicle you can’t see. This is especially beneficial for drivers with limited mobility who can’t physically turn around to check their blind spots.

Road sign detection

A road sign detection system has a forward-facing camera which searches the road ahead for road signs. This camera is hooked up to character recognition software which reads any changes illustrated by the sign. It then relays this on to the vehicle’s instrument panel. The data stays there until any changes occur.

So, if you’re uncertain of the speed limit, all you have to do is look at the information that the car observes. This might seem quite basic, but the technology might stop you from inadvertently speeding and encourages you to keep your eyes on the road.

Autonomous Emergency Steering

When something suddenly appears in front of your car, Autonomous Emergency Steering technology can operate emergency braking when it concludes that a collision is unavoidable. This stops vehicles being driven off the road into objects such as crash barriers on motorways. The tech can also steer the car to help avoid head-on collisions.


This was once a feature only seen with ‘premium’ brand cars, but self-parking, or automatic parking, is increasingly being made available to all manufacturers. We have all faced parking challenges, and parallel parking, in particular, can cause a lot of stress! Self-Parking technology goes one step ahead of technology such as parking sensors by discovering spaces, and then—with some help from the driver—parking your vehicle into that space for you.

Cars parked on street

Self-parking can make difficultmanoevers such as parallel parking a bit easier

If you want to find out more about automatic parking, our explainer article shows how this technology works and where it’s available right now


A lot of this technology is already available from car manufacturers in different forms. Some of these systems can even work as one; for instance, lane-keep assist and Adaptive Cruise Control combine to give a more ‘assisted’ driver experience. We expect that these technologies will continue to develop and evolve into even smarter and more innovative features to further enhance the driving experience for disabled drivers.

If you’re currently a Motability Scheme customer, you can speak to your dealer about what kind of technology and adaptations are available for your next car. If you’re new to the Scheme, you can find out if you can join by using our eligibility checker and find your nearest dealer to get the process started.

You can also use our car search tool to search our full range of available cars.

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