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2022 Tucson HEV Ultimate; White/Grey
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Found this info on Fb ... all credit to OP, Jim Thompson:

Attn: New Tucson PHEV Owners
Your new car came with a Level 1 charging cable that doesn’t have any documentation or instructions - and its default setting is the lowest possible charge rate!
When you plug it in - you’ll probably see the number 6 displayed. That means - limit the maximum current flow to 6 amps. That will charge your car at 0.6kW in North America. If you push the button nothing happens.
Here’s how to change it:
1. Press and hold the button for about 5 seconds until the number starts blinking.
2. While it’s blinking, press and release the button repeatedly and it will cycle through 6, 8, 10 and 12.
3. When you get to the 12, press and hold the button again for about 2-3 seconds to lock in the setting.
Setting it to 12 instead of 6 tells the charger to pull 12 amps instead of 6 amps - and it doubles your charging rate. You’ll be charging at 1.2kW instead of 0.6kW and you’ll be done in half the time! (Most household circuits are capable of carrying 15 amps or more - but if you have a lot of other electric devices on the same circuit, you may have to turn some off while you charge.)
If you’re in Europe, you have 220V - so you’ll see the 1.2kW rate when the charger is set to 6 - and you too can double your rate - to 2.4kW if you change the charger setting to 12!
I haven’t found this information in any of the manuals so hopefully this post will help save future owners from charging cycles that are twice as long as necessary!
Extra information:
The actual rate that your car is charging at will be displayed on the instrument panel if you open the front door. It will show you how much time it will take to get to 100% at the current rate of charge - and underneath, it will show you the current rate of charge (probably 1.2kW).
Your Tucson PHEV has a battery capacity of 13.8kWH. If your car says you have 50% battery, then you need to put 6.9kWH in. Divide 6.9kWH by your charging rate (1.2kW) and that will give you the number of hours you need to charge at that rate to get to 100%! (5.75 hours). I usually just let the car do the math for me.
 

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Found this info on Fb ... all credit to OP, Jim Thompson:

Attn: New Tucson PHEV Owners
Your new car came with a Level 1 charging cable that doesn’t have any documentation or instructions - and its default setting is the lowest possible charge rate!
When you plug it in - you’ll probably see the number 6 displayed. That means - limit the maximum current flow to 6 amps. That will charge your car at 0.6kW in North America. If you push the button nothing happens.
Here’s how to change it:
1. Press and hold the button for about 5 seconds until the number starts blinking.
2. While it’s blinking, press and release the button repeatedly and it will cycle through 6, 8, 10 and 12.
3. When you get to the 12, press and hold the button again for about 2-3 seconds to lock in the setting.
Setting it to 12 instead of 6 tells the charger to pull 12 amps instead of 6 amps - and it doubles your charging rate. You’ll be charging at 1.2kW instead of 0.6kW and you’ll be done in half the time! (Most household circuits are capable of carrying 15 amps or more - but if you have a lot of other electric devices on the same circuit, you may have to turn some off while you charge.)
If you’re in Europe, you have 220V - so you’ll see the 1.2kW rate when the charger is set to 6 - and you too can double your rate - to 2.4kW if you change the charger setting to 12!
I haven’t found this information in any of the manuals so hopefully this post will help save future owners from charging cycles that are twice as long as necessary!
Extra information:
The actual rate that your car is charging at will be displayed on the instrument panel if you open the front door. It will show you how much time it will take to get to 100% at the current rate of charge - and underneath, it will show you the current rate of charge (probably 1.2kW).
Your Tucson PHEV has a battery capacity of 13.8kWH. If your car says you have 50% battery, then you need to put 6.9kWH in. Divide 6.9kWH by your charging rate (1.2kW) and that will give you the number of hours you need to charge at that rate to get to 100%! (5.75 hours). I usually just let the car do the math for me.
This should be a great help!(y) Thanks
 

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Thanks a lot for this! Is there any potential downside to making that change? Could it affect the longevity of the battery? I'm wondering why they default it to the slowest rate?
 

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It's probably for safety reasons. I wouldn't set it to 12 amps on a 15 amp circuit unless I was sure the circuit wasn't being used by another device. I would use an outlet with a correctly wired 20 amp breaker. If you have an attached garage or a detached garage with a separate breaker box, it would be an inexpensive project to run a dedicated 20 amp circuit with a ground fault or arc fault breaker for charging your hybrid.
 
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