Key Fob Battery Replacement
Curious for C6 owners if anyone has had to replace the battery in their key fob? How long did the original battery last? I have an 05, and it seems like the range is getting weaker and weaker leading me to be concerned that the battery is going to crap out on me sometime soon. Would rather not be stuck somewhere with a dead fob.
Next question is starting the car in the event that the key fob goes dead. I know you use the key by the rear license plate and then pull the door release, but anyone have an idea if you can start the car with a dead fob? |
I do not think you will be able to start the car with a dead key FOB. That would defeat the security purpose behind the FOB.
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Put the forb in the slot in the glove compartment, even with a dead battery it will work.
From OM: NO FOBS DETECTED when you try to start the vehicle. If this happens, place the transmitter in the glove box transmitter pocket with the buttons facing towards the passenger’s side. Then, with the vehicle in PARK (P) for an automatic transmission press the break pedal and the START button, or if your vehicle has a manual transmission, press the clutch and the START button. Although this will start the vehicle, it is recommended that you replace the transmitter battery as soon as possible. The DIC may display FOB BATTERY LOW. |
Once you get into the passenger compartment, insert the fob in the slot you'll find in the glove box. That will allow the ECM to recognize the fob & the engine will start.
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Very helpful, thanks all
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Battery should be good for several years and it can be replaced. The owner's manual explains it. As explained above, the car can be started with a dead battery in the FOB. :cheers::cheers:
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We were told in another thread by someone who should know, that the dead fob that you put in the slot in the glovebox must have the battery in it, even if the battery is dead. Something about needing a complete circuit.
GM says the typical life of a fob battery is about 3 years. 2005 owner's manual, page 2-9. Battery Replacement Under normal use, the battery in your keyless access transmitter should last about three years. You can tell the battery is weak if the transmitter will not work at the normal range in any location. If you have to get close to your vehicle before the transmitter works, it is probably time to change the battery. |
Originally Posted by JimTN
(Post 1567711228)
We were told in another thread by someone who should know, that the dead fob that you put in the slot in the glovebox must have the battery in it, even if the battery is dead. Something about needing a complete circuit.
GM says the typical life of a fob battery is about 3 years. 2005 owner's manual, page 2-9. |
Just for fun, I did try putting a fob in the glovebox slot that had NO battery in it...and it did start the car...but I wouldn't depend on that, as there are others here who did not have it work for them. If the fob has a battery in it, and even if it is dead, the car should start.:thumbs:
Use a nickel to pry open the fob, it is the perfect thickness. CR-2032 lithium battery available anywhere, even the supermarket. |
Originally Posted by cclive
(Post 1567711446)
CR-2032 lithium battery available anywhere, even the supermarket.
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Walgreens - -2 for about $5 . . .I usually replace the batteries in any of the fobs every 2 years - - it's cheap insurance !
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Originally Posted by CQRT
(Post 1567712265)
Walgreens - -2 for about $5 . . .I usually repalce the batteries in any of the fobs every 2 years - - it's cheap insurance !
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Originally Posted by Hemlock
(Post 1567712720)
I hate it when people are smarter than me (I hate a lot of people). Great idea! I am going to buy two extra this afternoon. As you say, "it's cheap insurance." :)
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Fob?
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Fob.:iagree:
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Originally Posted by Max EPR
(Post 1567720048)
Fob?
1. a small pocket just below the waistline in trousers for a watch, keys, change, etc. Cf. watch pocket. 2. a short chain or ribbon, usually with a medallion or similar ornament, attached to a watch and worn hanging from a pocket. 3. the medallion or ornament itself. |
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Lifesaver!
Originally Posted by cclive
(Post 1567711446)
Just for fun, I did try putting a fob in the glovebox slot that had NO battery in it...and it did start the car...but I wouldn't depend on that, as there are others here who did not have it work for them. If the fob has a battery in it, and even if it is dead, the car should start.:thumbs:
Use a nickel to pry open the fob, it is the perfect thickness. CR-2032 lithium battery available anywhere, even the supermarket. |
Lol!
Originally Posted by cclive
(Post 1567720163)
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Originally Posted by cclive
(Post 1567711446)
Use a nickel to pry open the fob, it is the perfect thickness. CR-2032 lithium battery available anywhere, even the supermarket.
:cheers: |
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