Stepby step instruction. Inside of your remote key fob installed button battery. Open the key if it is in the key fob. Gently try to pry apart your fob with flat head screwdriver. Putyour original key in the ignition and turn to position 1. either have a friend help or reach our through the open window and lock the car using the 'cut but not immobiliser programmed' key. press unlock, lock, unlock on your original key, then remove it from the ignition. Remove the key from the door and test your fob, it should be working. 820Kviews 10 years ago. Here you can see how to change the battery of the remote control (fob) of an Audi A4 (B8 type 8K). This must also work on other models like A1, A2, A3, A5, AnAudi A4 Battery Replacement costs between $451 and $474 on average. Get a free detailed estimate for a repair in your area. when the driver turns the key, uses the stored power to start the engine. If the battery is losing charge while driving the vehicle, the battery warning light will illuminate, and the engine may stall. Step1 – Press in the tab located along the side of the battery where the key folds in using your small flat head screwdriver. You’ll want to press it hard enough that the back cover starts to pop out. Step 2 – Howto change Audi key battery | Audi key battery replace Q2 Q3 Q5 Q7 | A1 A3 A4 (C2032 battery) fQl8r3. Followthese instructions to replace the battery: Activate the metal key. Using a little screwdriver, press the key’s back cover. Can you replace the battery in an Audi key CR2032Coin Battery 🪙 you need: to replace the battery in this key fob for the Audi A4 , 2008, 2009, 2010 models. Buy Its the same procedure as when you replace the battery in the fob: With the door open, put the key in the ignition and turn it to "On" (without starting the car), then hold both the lock and unlock buttons down for ~5-10 seconds. Also if you put the key in the driver's side door and lock/unlock the car it should "re-sync" the fob and the car. ReplaceKeyless Entry Remote Battery In Audi A4. To replace the battery in your Audi keyless entry remote, follow these simple steps. First, remove the key fob cover. Next, remove the battery from the key fob. Be sure to insert the new battery by the positive side of the fob. Finally, reassemble the keyless entry fob. ThisDIY describes how to replace the key battery when your Audi indicates it is needed. This tutorial applies to: A4, A5, Q5, Q7 and TT. For this, you will need a CR2032 battery. Gota new key around 2yrs ago and since then it’s sat in a drawer. Key I normally use needs the battery replaced so thought I would use the key that effectively hasn’t been used since new. Got the same warning 1st time I used it! I think they just drain and need changing every few yrs. it’s only a few £’s for 2 so not a big deal.

audi a4 car key battery replacement