My week old Nexon EV breaks down: Dealer blames it on charging pattern

He blamed the incident on my charging pattern and advised to take the charge to as low as 20% every week and always charge back to 100%.

BHPian Eco_boost recently shared this with other enthusiasts.

Breakdown within one week of buying:

I was enjoying my time with the Nexon EV, however just a couple of minutes ago, my car suddenly went into N mode and locked the gear. The MID shows “Limited Performance Mode activated”.

The car refused to shift to D mode.

I parked the car to the side of the road with the help of some shop people near the incident site. Called road side assistance and they have arranged a towing van.

The car was towed at around 7 pm yesterday ( 4.5 Hours after incident) and dropped at the service centre within an hour.

Got a call from Service Advisor around 10 am today that they will start work on my car asap and asked my charging schedule which I shared. I asked if he can deliver the vehicle today itself, but he didn’t seem very confident and asked me to wait till they complete their initial diagnosis.

My charging pattern within last 3 days of the incident:

• Friday 2 Nov 40% to 97% overnight.
• Saturday 3 Nov , 70% to 85% 2 hours in the evening.
• Sunday 4 Nov 48% to 72% At 7.2 kw charger at Ikea Navi Mumbai in the afternoon.
• Sunday 4 Nov 52% to 100% overnight.

Later today, around 4 pm , I received another call from him. To my surprise, he announced that the vehicle was now ready. He explained about updating the BMS ( Battery management system ) or something like that. He blamed the incident on my charging pattern and advised to take the charge to as low as 20% every week and always charge back to 100%. He mentioned cell balancing takes place between 95-100% and it’s important for the car.

Even if I believe what he says is good for the car and we should adopt it as standard practice is it fair for a one week old vehicle with 400 or so kms to face this kind of an issue? Do I need to forcibly take the battery down to the last 20% every time? If I have around 2 or 3 hours of free time near a slow charger , should I just not charge it so that it doesn’t fail on me in the middle of the road?

Why didn’t they bother to tell me about this during the sale? Is this even mentioned in the manual?

On a lighter note , I am happy I got my car back in 24 hours. I drove it back from Worli to my house in Andheri , around 23 kms. The SA assured me it will not happen again. Driving the car again was a sigh of relief. I feel good again and want to forget the incident as if it was a bad dream.

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