until it no longer unlocks the car, or on the dashboard it says Replace Key Battery!
Yes it does. They are essentially the same battery just produced by different manufactures.
you cant get it to work when it has been replaced.
Open the key fob and remove the battery which has a # on it, and then buy a duplicate.
CR 2032
Open the key fob, remove the battery and look and see what size it is.
The key battery for the ls400 is PN# br1216 www.lextechautomotivellc.com
To change the key fob battery for a 2008 Audi TT, first, use a small flathead screwdriver to gently pry open the key fob along the seam. Once opened, remove the old battery, typically a CR2032, and replace it with a new one, ensuring the positive side faces up. Snap the fob back together and test the buttons to ensure it’s working properly.
To remove a key from the ignition of a 1992 Audi, first ensure the vehicle is in the "Off" position and the steering wheel is not locked. If the key won't turn or release, gently wiggle the steering wheel while trying to turn the key to the "Off" position. If the key is stuck due to a dead battery or ignition issue, consider checking the battery or consulting a professional locksmith for assistance. Always refer to the vehicle's manual for specific instructions related to your model.
cr2032
Panasonic CR1618
It should be a 3032 battery found at most all auto parts stores and sometimes walmart or radioshack