this post was submitted on 23 Aug 2026
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My favorite was when a car runs a yellow light at the same time I ease my foot off the brake to get the engine started in preparation for going forward. The autostart and brake assist had a little tiff of errors and stalled the vehicle.. I had to turn the engine off and restart it to reset it.
That was great.
So lane assist is off, adaptive cruise control is off, driver attention is off (with some electrical tape over the fucking stupid thing) and brake assist is off. The only things on is the blind spot monitoring because that sort of works and the backup camera.
Last time I was had a rental car, I was driving down a rural curvy road with no traffic. So I cut the corners whenever visibility allowed it. The computer freaked the fuck out and finally turned off after tossing a "Maintenance needed error". I laughed my ass off over that one.
If your talking about the auto stop/start that happened when you push the brake down at the lights you should 100% disable this.
They implemented it thinking it would be great that you would be not burning fuel and emissions for 30s while the lights were red but in reality what happens is that as soon as the engine stops your oil pressure drops, then your restarting with no oil in the cylinder and that causes an extreme amount of wear on your piston rings and other components. I dont remember the exact figure but starting and stopping while the oil pressure is low is responsible for like ~90% of engine wear.
Depending on how many lights you encounter you could be doing exponentially more basically cold starts and your going to need to service your car much more often, replace the oil and filter, replace other components that wear (+ costs of increased servicing) just to save a couple minutes of idling emissions and fuel. I can tell you which is much worse for the environment.
There is a german channel on youtube that literally did this as a lab test with a real engine to show how much extra wear was happening to your engine. The system was a 'good on paper' idea but they overlooked some key factors i think.
Nope. They have an electric oil pump that keeps working when the engine is off. It's not a cold start, an electric motor turns the engine to top dead centre and fires the plug on a hot engine .
Are you talking about the CVT oil pump? Or have some manufacturers started doing doing this on the engine oil pump?
Edit:
Well i looked it up myself and it seems that newer cars, especially more expensive cars have addresed the wear issues by upgrading the crankshaft bearing, hardened internal components, upgraded altenator and a specific type of battery for this use. (No mention of electric oil pump motors for average cars)
You also need to replace the (more expensive) battery every 3-5 years, so the cost is still comong back to you. Higher quality upgraded components + the more expensive and often replaced battery will all end up back on your pocket, like i said the system probably isnt worth the cost of the fuel and emissions savings.
And if you have an older car with this function, then you also have the component wear issues, see the video i mentioned in the first comment: https://www.youtube.com/watch?v=qu8cJ2t_ja8&pp=ygUpYXV0byBzdG9wIHN0YXJ0IGVuZ2luZSB3ZWFyIHRlc3RlZCBnZXJtYW4%3D