Regen Brakes Auto Disable on steep road?

[Rivan]

It looks like we have an answer ??

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[VNCR1S]

If overheating is the issue I hope they can fix it. Mine shows up in less than .5 miles going down a steep road even at 40 percent SOC. I never had this problem with my tesla or chevy volt which has a smaller battery.

 

[Cosmacelf]

If overheating is the issue I hope they can fix it. Mine shows up in less than .5 miles going down a steep road even at 40 percent SOC. I never had this problem with my tesla or chevy volt which has a smaller battery.

Just poor battery thermal design. Rivian is the only vehicle manufacturer that has a single cooling plate axially cooling two sandwiched layers of cells. They screwed up, plain and simple.

 

[NineElectrics]

When regen craps out like this, Rivian should compensate by blending in the real brakes so that the braking effect remains consistent. As far as I can tell, it does not, making this a safety issue. You don’t want brakes to suddenly be less effective. They should fix and issue a recall.

 

[Cosmacelf]

When regen craps out like this, Rivian should compensate by blending in the real brakes so that the braking effect remains consistent. As far as I can tell, it does not, making this a safety issue. You don’t want brakes to suddenly be less effective. They should fix and issue a recall.

Eh, Tesla operated like this for over ten years. Just recently they finally added a blended brake option in the controls. I agree it would be nice for it to be an option. It is a safety issue, but not a huge one. The Rivian UI does alert you to the issue.

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