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Old 09-24-2021, 08:22 AM   #1
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Freightliner Driver Assistance Technologies

Freightliner Custom Chassis Corporation has offered Adaptive Cruise Control as part of its Roadwatch safety system for several years. If you have this feature, how do you like it?

Adaptive Cruise Control is defined bt NHTSA as: Automatically adjusts the vehicle’s speed to keep a pre-set distance from the vehicle in front of it.

Looks like Freightliner is moving forward with lateral control for its semi business:

"Freightliner New Cascadia, the first truck to meet SAE Level 2 standards. This means that the truck is able to offer driver assistance features (to a fully engaged operator) that support both forward and lateral control using adaptive cruise control, automated lane-keeping assist, and lane-centering. It also has automated braking in the event of detecting a moving pedestrian."
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Old 09-25-2021, 05:55 AM   #2
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We have the ACC/CMS and are mostly happy with it. We don't have lane keeping/centering assist (It just buzzes loudly when you cross a lane line), or the pedestrian detection (that I know of).

My observations so far are that it is useful but you have to learn to drive with it.

I can set the ACC and it maintains a 3.6 sec interval from the vehicle in front. I'm not constantly having to adjust the throttle.

Slow moving vehicles can be a challenge. As you approach, it slows you down to maintain the safe distance. This can prove bothersome going uphill or passing. Loaded trucks that scream downhill then slow to a crawl going uphill are a pain to deal with.

Curves can be a challenge at times as the radar loses sight of the vehicle in front. This makes it speed up if you were below your set cruise speed.

The Forward Collision Warning is always on. If you get closer than it thinks you should be, it will beep. Also a pain sometimes when passing slow moving vehicles.

The CMS will hit the brakes inappropriately at times, curves, bridge pillars, vehicles cutting across your lane.

Overall, I'm glad we have it.
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Old 09-25-2021, 09:18 PM   #3
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Great feedback, thanks!
I wonder if your Freightliner M2 chassis has more Driver Assistance Technologies than the Class A chassis.
Renegade Verona is a nice looking rig!
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Old 09-26-2021, 04:36 AM   #4
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Thank you, we love the rig.

I can't answer the class A question but will say the ACC/CMS and a Safe T Plus make it a pleasure to drive.
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Old 09-27-2021, 08:00 PM   #5
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Quote:
Originally Posted by Zero AGL View Post
Freightliner Custom Chassis Corporation has offered Adaptive Cruise Control as part of its Roadwatch safety system for several years. If you have this feature, how do you like it?

Adaptive Cruise Control is defined bt NHTSA as: Automatically adjusts the vehicle’s speed to keep a pre-set distance from the vehicle in front of it.

Looks like Freightliner is moving forward with lateral control for its semi business:

"Freightliner New Cascadia, the first truck to meet SAE Level 2 standards. This means that the truck is able to offer driver assistance features (to a fully engaged operator) that support both forward and lateral control using adaptive cruise control, automated lane-keeping assist, and lane-centering. It also has automated braking in the event of detecting a moving pedestrian."
We have a '21 New Aire 3545, 450 hp, and it has the ACC. I like it EXCEPT that you have to choose the following distance (between three choices) EVERY SINGLE time you restart the engine. It should remember your choice. I always choose the "closest" following distance. The other two are excessively generous.
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