Opening a door for a car which had a completely dishcharged engine battery

Asked by Bob Jan 07, 2021 at 07:26 AM about the 2017 Nissan Sentra SV

Question type: Maintenance & Repair

I have a Nissan Sentra 2018 which sat in my driveway for almost 2 month because we went out of state for a death and burial.  The car  battery had fully discharged, so I couldn't open the vehicle easily.   I tried the Key-in-the FOB trick to gain door access.  The key went into the lock just fine, but the tumbler wouldn't turn.  I sprayed a WD product (the one that is supposed to free up rusted parts) in the lock in case there was some rusting inside.   After waiting about 20 minutes, I retried to turn the lock tumbler, but that wouldn't turn still.  I came across a hack that included holding a AA battery close to the key entry slot mechanism to create a magnetic field interruption.  Still no luck turning the lock.

Any other suggestions ???  Repeat the battery-close-to-the-lock hack again?

1 Answer
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oilyspill answered 3 years ago

Sometimes ,if you can get at the starter motor, you can hook up a charger to the starter motor bat terminal to try to charge it up. I don't know if your starter motor would be hard to reach? just a thought. good luck

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