You just use a coin like a 2p put it in the slot at top of key and twist and pull apart .
i have a 528i and the doors wont open with the keys how can i get the door open
Making Key Fobs
keys
Yes, you can have two different key fobs together and use them interchangeably for the same vehicle. Each key fob will have its unique code that the car's system recognizes, allowing multiple key fobs to be used with the same vehicle.
Typically, key fobs are not designed to be combined with each other. Each key fob is paired specifically to its corresponding vehicle or access point. If you have multiple key fobs for different vehicles or places, they should be kept separate for proper functioning.
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Most (if not all) key fobs can be recoded. You may want to inquire with your dealership or a good locksmith.
Personalized key fobs can be bought online from some of the companies that trade through Amazon. They can also be bought from jewelers who also do engraving.
I have a 2001 Impala 9C1 model (fleet/police) and it has electronic locks but no key fobs.
Plastic key fobs are typically made from a variety of plastic polymers, with common materials including polyethylene terephthalate (PET), polycarbonate (PC), or acrylonitrile butadiene styrene (ABS). These materials are chosen for their durability, flexibility, and cost-effectiveness in producing key fobs.
Just unlock the door with the key and open it. The alarm should not go off. If it does insert the key in the ignition and turn it on. The alarm will stop.
the battery in them do you need to replace them with watch batterys