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Automobile Enthusiasts

2naSalit

(94,929 posts)

7. All the above advice is good unless...

Reply to no_hypocrisy (Original post)

Tue Dec 5, 2023, 08:00 PM

Dec 2023

You have a car like my BMW. I asked the shop guys to replace the batteries and they handed them back to me and said they are designed to charge while the car is on. I have one key that locks and unlocks the doors and sometimes starts the car, the spare key never works with the door locks buy always starts the car.

When the one that sometimes starts the car actually does start the car, I feel obliged to take a little drive to charge it up. I worry about the day when I decide to drive it after leaving it sit for a couple weeks, that neither key would work.

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Question about my key fob. [View all] no_hypocrisy Dec 2023 OP

Most likely and least costly way to start. Typically, them have coin type of batteries that should be easy to replace. OAITW r.2.0 Dec 2023 #1

Sounds like the battery. They should be simple but Mazda's are ridiculously hard to replace. spooky3 Dec 2023 #2

My 2007 VW came with a Fob as the ignition key. OAITW r.2.0 Dec 2023 #4

Thanks! no_hypocrisy Dec 2023 #3

Iy you replace the battery, make sure it goes in with the "+" mark in same orientation as the one you take out. OAITW r.2.0 Dec 2023 #5

Battery shops generally have replacements and cachukis Dec 2023 #6

All the above advice is good unless... 2naSalit Dec 2023 #7

All batteries can only be recharged so many times KS Toronado Dec 2023 #9

To be honest... 2naSalit Dec 2023 #10

My 530i key battery went dead on me k55f5r Jan 2024 #12

Thanks... 2naSalit Jan 2024 #13

Start by replacing the battery Best_man23 Dec 2023 #8

Some fobs you can disassemble and replace the battery. That will also show if there are any broken parts. Kennah Dec 2023 #11

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