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Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

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Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#33
post #31

Is this the kind of battery power loss that prevents you from opening the doors and can trap you in a burning/sinking Tesla?

There’s a physical mechanical open mechanism for doors.

Curious how it worked, I found https://www.tesla.com/ownersmanual/model3/en_us/GUID-A7A60DC...

> At the bottom of the rear door pocket, there is a slot in front of the release cover. Slide your finger into the slot and lift to remove the cover. Pull the mechanical release cable forward.

I wonder how people are supposed to be able to find that when in an emergency sitting in the backseat of someone else's car.

Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#34
post #9

Earlier quoted context omitted.

The vacuum reservoir of the brake booster in cars with vacuum servo brakes (whether vacuum is generated by the engine or an electric pump is irrelevant) stores enough energy for 3-4 full applications of the brakes.

EV don’t use vacuum break booster systems anymore. There are much better and more efficient fully electric break booster systems out there which make a lot more sense. Vacuum break boosters only make sense for ICE vehicles where you already have an existing air pump (the actual engine) providing free “vacuum”, they don’t make sense in EVs where you need to an extra dedicated motor to produce vacuum, to power a vacuum…

> EV don’t use vacuum break booster systems anymore. There are much better and more efficient fully electric break booster systems out there which make a lot more sense.

To lecture us on EV brake systems while repeatedly misspelling the word is making me twitch far too early this otherwise fine Wednesday morning.

Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#35

Earlier quoted context omitted.

That's not reassuring. This recall is the exception. The low voltage 12V battery has been far more unreliable in EV's from all brands than the high voltage battery has been. Is an EV like an ICE in that the 12V bus has power while the car is running even if the 12V battery is dead? In an ICE the alternator puts 13.5 volts onto the 12V bus so a dead battery will prevent a car from starting but it will stay running on…

In a lot of EVs, when the car is "on" there is a DC/DC converter powering the 12V system from the HV battery. So if the car was "on" and experienced a loss of the 12V battery it could continue operating for some period of time.

I think the implication is that people could be driving with a dead 12V as if nothing is wrong. Then when they experience the HV failure in the recall, they would have no power whatsoever for safety systems.

Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#36
post #18

Earlier quoted context omitted.

Is this even a fair comparison when Ford and Chrysler offer a lot more models than Tesla does?

It’s not. For example, Saab has had 0 recalls.

Saab also currently produces 0 models.

Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#37
post #31

Is this the kind of battery power loss that prevents you from opening the doors and can trap you in a burning/sinking Tesla?

There’s a physical mechanical open mechanism for doors.

> There’s a hidden physical mechanical open mechanism for doors.

FTFY

Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#38

Earlier quoted context omitted.

There’s a physical mechanical open mechanism for doors.

Curious how it worked, I found https://www.tesla.com/ownersmanual/model3/en_us/GUID-A7A60DC... > At the bottom of the rear door pocket, there is a slot in front of the release cover. Slide your finger into the slot and lift to remove the cover. Pull the mechanical release cable forward. I wonder how people are supposed to be able to find that when in an emergency sitting in the backseat of someone else's car.

Front doors are just regular handles.

Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#39

Oh, so this is an actual recall and not just a software update.

> Oh, so this is an actual recall and not just a software update.

In an era of software-defined vehicles, the difference is one of convenience, not impact/consequence. Not really worth pointing out, unless you're a service department telling owners how to plan their week.

Re: Tesla Recalls Almost 13,000 EVs over Risk of Battery Power Loss

#40
post #31

Is this the kind of battery power loss that prevents you from opening the doors and can trap you in a burning/sinking Tesla?

There’s a physical mechanical open mechanism for doors.

I don't have them in my back seats. I had to train my kids to use a glass breakage hammer because Tesla didn't bother to put them on my car.
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