[rhodomel]

Sometimes, I apply brake by stepping on it very hard, and then suddenly releasing it, then the ACC works again.

Sometimes I just put my foot under the brake pedal and pull it up, then activate the ACC and it works.

Sometimes, the parking brakes says it needed servicing, and could not turn on the ACC, so I pull to the side, turn off the car, activate parking brake, then deactivate it and turn on the car, and then ACC works.

Aside from cleaning the glass in front of the camera, and cleaning the bow tie on the grill, I also use baby wipes towel and clean the radar or sonar sensors all around the car, you know those tiny round things on the bumpers.

 

[rhodomel]

I think GM was super conservative in how they implement the ACC to reduce a lot of potential accidents that they would be blamed for. It is just part of the pains of deploying new technology.

Always remember not to fully trust the ACC to pull you through in every cases. It is a software that processes sensors. Software have bugs and sensors could fail and it is your life on the line.

 

[rhodomel]

I guess you never plan on getting in a self driving vehicle. It's all software and sensors. And just like software has bugs, so does hardware -- like your brakes for that matter. There is nothing fool proof, but the system should be better than it is. I've used ACC from Volvo, MB, Chrysler, Acrua, and BMW. They are far superior. On the flip side, Mazda has ACC that isn't even full-stop. That's a first generation system.

Especially with Tesla's. Remember the fatalities. I wouldn't be the sacrificial eager beaver statistics. I will get fully self-driving cars, but not the first generation. Will watch out for their performance first then upgrade to it later.

 

[rhodomel]

Even worse on this car is that the ACC uses the regen braking to start. So if/when you take over with the real brakes the car will surge forward for a moment before the real brakes kick in.

Not a problem with me anymore. Based on experience, you should be able to tune how hard you should initally apply brake when you take over before coming gently to a stop.

 

[rhodomel]

wow these are real know-how stuff.
Will try those things.

I pass by swamp areas around dusk, and when there's a big hatch, those insects will get smashed in front of the sensors! So I know the cleaning drill very well and I have a box of baby wipes handy.

 

[rhodomel]

One very important thing that I have noticed during the heat wave... When you parked out in the sun and the ambient air is more than 100 deg F, sometimes the ACC won't just work no matter what you do until the car's windshield and cabin interior has cooled down.

 

[rhodomel]

I don't disagree with you there. But ACC has been around for more than 10 years. These systems should be pretty solid by now.

Yup! But it is newly implemented on the Volt. Just like mentioned earlier, perhaps more and robust sensors are needed as well.