Tata Sierra ADAS Explained » MotorOctane

ADAS has become the talk of the town lately. People may not actually use these features as much, but love to boast that the car is close to being self-driven. The more ADAS features you offer, the more customers you attract. And Tata is trying to woo the customers with the Sierra. While it has been talked about for its looks and pricing, its Level 2 plus ADAS is the next most popular feature. Today, we will look at some of these features and determine whether they are worth all the hype.

What Is ADAS?

Advanced Driver Assistance Systems(ADAS) are the closest thing to self-driving cars. While self-driving cars focus on eliminating driver effort, ADAS prioritises passenger and environmental safety. A vehicle with ADAS is fitted with numerous sensors and cameras that either alert the driver or take action on their own to prevent accidents. Its job is to minimise human error while driving.

There are up to 5 levels of ADAS, with level 0 lacking any autonomous features and level 5 being fully self-driven. At the moment, most passenger cars are slotted between levels 1 and 2. Tata is trying to move up a level with the Level 2 Plus. This gets a few additions in the feature list to make your life easier.

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Intelligent Speed Assistance(ISA) and Traffic Sign Assistance(TSA)

This system works with the simple principles of traffic signs and geography. The system will identify the car’s exact location and notice any traffic signs on the road. It uses this to regulate the car’s speed. To put it into perspective, if you are on the highway and the speed limit is 60 kmph, the Sierra will either increase the accelerator resistance or completely prevent you from accelerating past this limit. The resistance will be removed once you are off the highway, and the system recognises that there are no speed limits in place.

This system can be turned on and off if you are in the mood to break the law. With the help of TSA, you will see the street’s speed limit on your driver’s display.

Adaptive Steering Assist (ASA)

Adaptive Steering Assist can be easily confused with Lane Keep Assist (LKA). But there is a slight difference between the two. LKA acts as a safety net when the car drifts out of the lane. But with ASA, the cameras detect the marked lines and steer the car accordingly. You barely need to give any steering input to keep the vehicle between the lines. Lane keep assist only activates when the system determines the vehicle is too close to the lines, then pulls the car back. With ASA, the system continuously works to keep the car centred at all times.

ASA works with Lane Centering System and Adaptive Cruise Control to help you stay in the correct lane without needing to steer.

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Autonomous Emergency Braking

If the system deems a crash imminent, AEB will act on its own and take complete control of the braking. The system will calculate the distance to the obstacle and compare this with the driver’s input. If the driver is not applying the brakes or is moving faster than the critical point towards the object, the car will brake by itself and would need zero input from the driver. This feature could be a lifesaver, especially if the driver is not attentive to the road.

It is not necessary that a crash would be the driver’s fault. On Indian roads, pedestrians, bikes, cycles and rickshaws come in front of your car out of nowhere. The ADAS responds more quickly to environmental changes and applies the brakes before you notice that a crash is imminent.

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Other Features

The Sierra has 22 ADAS features. The ones mentioned above are just some of the most important features it has. Other features include

Over-speed Alert, Rear Cross Traffic Alert, BSD, Blind Spot Detection, Lane Departure Warning, High Beam Assist, Door Open Alert and Lane Change Alert.

How Important Are These Features?

All ADAS tools can be overridden or disabled. But these features exist only to ensure the safety of all passengers and the environment. These features can be annoying in traffic, but life-saving on highways. Expressways and other high-speed scenarios. It can also avoid accidents in the city. Features like Blind Spot Detection and passenger/cyclist collision warning will keep you aware at all times. It can be challenging to have a 360-degree look of your surroundings at all times, and that is where the ADAS system helps.

Over Speed Alert and Intelligent Speed Assist ensure you abide by road laws at all times and don’t unknowingly get unnecessary challans.

While features such as Adaptive Steering Assist and Adaptive Cruise Control make driving easier, you should remain attentive on the road at all times. Many people become overly reliant on this technology, but it is essential to recognise that the system is not perfect.

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