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Odd for sure but probably done for a reason. This may be a drain, air vent, or access point for something.

This is what I found and this is a very new and unusual way to do it, compare to other Porsches with emergency key built into the keyfob. This is just the beginning. There are more steps to it.

Taycan has at least a 2% buffer between display SoC and actual SoC. Macan EV seems to have no buffer so, I would say going down to 3% of display SoC should be good for the rebalancing procedure to occur.

I would assume the rebalancing protocol for Macan EV to be the same as the Taycan and pretty simple to execute. The process consists of going to near 0% SoC, keep the car undisturbed for at least 6.5 hours (no remote access via app, no key close to car, etc.), recharge back up to 100% using home...

^ Yes, @fubar.droid, that is how it works on the Taycan and makes no sense why it would be engineered that way.

This is what the manual says, however, this does not give me assurances that 12v will not go flat without a trickle charger: Under

I do not know of an instance of a health check for Li-ion 12v battery. I know that regular lead acid batteries are checked for capacity and then replaced after they reach 50% capacity, that took 8 years in our 2016 Macan.

Macan EV uses lithium-ion. That is not the issue we are talking about. The issue is that HV battery does not charge 12v battery properly allowing it to lose charge and lock up. The manual seems to indicate that 6 weeks is the time needed for 12v to discharge:

Porsche already said they are not planning any more variants including GTS for Macan EV.

You are correct, software update changed the logic of how many times HV battery recharges the 12V battery, that has solved this issue at scale. However, we still get reports on the Taycan forum of dead 12V battery when car left for a short period of time. Therefore, there is no 100% assurance at...

Serious Design Flaw is the understatement. No reason for it to be this way. This has been a known problem for Taycans with occasional cases still occurring. Therefore, Macan EV community needs to learn to how to prevent it and how to restart it from the Taycan community as others mentioned.

My simple point is that I have seen this guess-o-meter "surprise" happen to me on a Taycan after performing cell rebalancing protocol where it showed a large jump of range of about 40 miles and then drop to reality after a few minutes of driving.

^ I totally agree with you.

Interested to see if this will be OTA or go to the Dealer. OTA is usually some simple Infotainment or Map update. This will probably be the usual drag out dealer only visit that requires connect 12V to charger, run VAL, authenticate with Germany for permission, run update, then check if applied...

The OP is asking why this is happening @rcomeau. Based on what we know from the Taycan, BMCe (battery management system) performs a rebalancing of the cells (under certain conditions) resulting in more consistent voltage, charge level SoC, and possibly temperature across all modules. After this...

Exactly that! As heavy as these things are off the line, ramps, and launches are where Turbo shines...and pulling stumps out of the ground for sure. I drove a RWD, 4, and 4S and did not find lack of power in any of them for daily driving routine.

Turbo is in the league of its own. Special packaging and hardware setup is completely different from any other trim, plus the torque is off the charts. My dealer does not even have any slots for Turbos with several people in line with 9+ months wait as an estimate. Any other trim, no wait, and...

It is much more cruel than that. Regulations allow it, but the requirements are made impossible to meet with current hardware and software of the EU Matrix setup.

Headlights and Rear Bar already very dark. Minimal visual impact on spending on going in Black. Some option it to get rear bar animation. Worthless options compare to Extended Leather. Extended Leather is the way to go unless you want all your doors to by vinyl not great for 121k you are...

This is not good news you guys as more surprises keep coming up with Macan EV. I had no issue driving down to 2% on the Taycan with no noticeable degradation of power. Yes, warning messages appear but it drives normally as I was going 70mph in 0C weather. Think of this, you get gross battery...