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MajorFrantic t1_ixt40gv wrote

On or off doesn't matter to the car at all during fueling.

The prohibition is to help prevent some human caused fire issues, namely generating static charge (sparks) by getting in and out of the car. You can proactively discharge the static harmlessly by touching the car's metal before you grab the fuel dispenser to remove it.

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scooter3513 t1_ixtjri9 wrote

I’ve heard this before…but I get in and out of the car regardless if whether it’s running, so why does that matter?

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BSC25M t1_ixtx2e5 wrote

Not entirely true…

The gas gauge doesn’t always act properly when the car is on for the fueling…often takes 15-20 minutes of driving to adapt…

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