Dead battery in the key Skoda Octavia A7 2019 model is a problem that every owner faces after 2-4 years of operation. The symptoms are familiar to many: the key fob stops opening the car the first time, the signal weakens, and a low-battery warning appears on the display (if there is one). The service will charge from 500 to 1,500 rubles for a replacement, although the procedure takes no more than 10 minutes and does not require special skills.
In this article - step by step instructions with photoswhat type of battery your key needs, what tools you will need, and common mistakes, which can lead to breakage of the key fob. We will analyze the features of keys with a button LOCK/UNLOCK and touch versions (if they are included in your configuration), and we will also give tips on extending the service life of the new battery.
What type of battery is used in the Octavia A7 2019 key?
In most keys Skoda Octavia A7 2019 model year is being installed CR2032 lithium battery with a voltage of 3 V. However, depending on the configuration and type of key fob (standard or with a display), there may be other options:
- π CR2032 - the most common option for keys without a screen. Diameter 20 mm, thickness 3.2 mm.
- π CR2026 - less common, but found in some batches. Thickness 2.5 mm (not interchangeable with CR2032!).
- π CR1632 - only for keys with an LCD display (for example, in top trim levels Style or RS).
To accurately determine the type, remove the old battery and look at the markings on its body. If the key fob has a display, never use CR2032 instead of CR1632 - this will damage the contacts due to the different thickness.
- Standard (no display)
- With display
- Key card (Keyless)
- I don't know
| Key type | Battery model | Service life | Approximate price |
|---|---|---|---|
| Standard (no display) | CR2032 | 3-5 years | 50-150 rub. |
| With display | CR1632 | 2-3 years | 100-200 rub. |
| Key card (Keyless) | CR2032 or CR2450 | 2-4 years | 80-250 rub. |
When buying a new battery, give preference to proven brands: Duracell, Energizer, Panasonic or Varta. Cheap analogues (for example, "Space") often have a smaller capacity and can leak, damaging the key fob board.
Tools and preparation for replacement
To replace the battery in the key Octavia A7 you will need:
- π§ Flat head screwdriver (or a mediator) for parsing the body.
- π New battery (check the type in advance!).
- 𧲠Magnet (optional, for fixing small parts).
- πΈ Smartphone - to photograph the location of the board before disassembling.
βοΈ Preparing to replace the battery
Before you start remove the mechanical key from the key fob (if it is removable) - this will prevent accidental pressing of the buttons during disassembly. We also recommend working for soft surface (for example, on a towel) so as not to scratch the body.
β οΈ Attention: Do not use metal objects (knives, scissors) to disassemble the case - this may leave scratches or damage the latches. The best option: a plastic spatula or an old bank card.
Step-by-step instructions for replacing the battery
Key parsing Skoda Octavia A7 2019 depends on its type. Below are universal instructions for most key fobs without a display:
Step 1: Separating the housing. Insert a flat-head screwdriver into the groove between the two halves of the key fob (usually it is located on the cerca of the button
UNLOCK). Carefully lift the lid, moving around the perimeter. The latches should snap open without force.Step 2: Removing the board. After disassembly, you will see a printed circuit board with a battery. Carefully pry the battery up with a screwdriver or your fingernail - it is held in the socket without additional clamps.
Step 3. Install a new battery. Insert new battery positive side up (there is usually a marking on the board
+). Make sure the contacts are tight.Step 4. Assembling the case. Align the two halves of the keychain and squeeze them until the latches click. Check the operation of the buttons.
If you have a key with display, the process is a little more complicated:
Features of replacement in keys with display
In key fobs with a screen, the board is attached to the body with additional latches. After removing the battery, you may need to βresetβ the settings - to do this, press and hold the button LOCK within 10 seconds. If the display does not light up, check the polarity of the battery or try to reset the key fob by removing and reinserting the battery.
After replacement check the key operation at a distance of 5-10 meters from the car. If the signal is weak or the key fob does not work, the problem may be a dead battery. in the car itself (she is responsible for receiving the signal from the key).
Common mistakes and how to avoid them
Even with a simple procedure, owners Octavia A7 They often make mistakes that lead to breakage of the key fob. Here are the most common:
- β‘ Wrong polarity. If you confuse
+andβ, the key will not work. There are usually markings on the board, but if there are none, take a photo of the location of the old battery. - π§ Strength when parsing. Excessive pressure on the screwdriver may break the housing latches. If the keychain cannot be disassembled, try heating it with a hairdryer (a temperature of 50-60Β°C will soften the plastic).
- π§ Moisture ingress. If the battery leaks, before installing a new one wipe contacts with alcohol and let the board dry for 10-15 minutes.
- π± Ignoring factory reset. In keys with a display, after replacing the battery, you may need to synchronize with the car (press and hold
LOCK + UNLOCKfor 5 seconds).
β οΈ Attention: If after replacing the battery the key stops working at all (LED does not blink, does not open the car), check the fuse F37 (10A) in the vehicle's fuse box. It is responsible for the keyless entry system and can burn out if there is a short circuit in the key fob.
If the key is unstable after replacing the battery, try "retrain" it to the car: 1) Insert the key into the ignition lock. (2) Turn to position ON (don't start it). 3) Click the button LOCK 3 times in a row. (4) Turn off the ignition and remove the key. The system must be synchronized automatically.
How to extend the life of a new battery?
Key battery life Octavia A7 depends not only on its quality, but also on operating conditions. Here are some tips to help avoid frequent replacement:
- π Do not store the key near metal objects. Contact with coins or keys in your pocket may cause a short circuit.
- π‘οΈ Avoid extreme temperatures. Leaving the key fob in direct sunlight (on a dashboard in summer) or in the cold reduces the battery life by 2-3 times.
- π΄ Turn off unnecessary functions. If the key has a backlight buttons or display, they consume charge even in standby mode. In some models, you can turn off the lighting with a long press on
LOCK. - π Use batteries with low self-discharge. For example, Duracell Quantum or Energizer Ultimate Lithium They last 30-50% longer than normal.
If you rarely use your car, remove the battery from the key fob for long periods of parking (more than 2 weeks). This will prevent the discharge and corrosion of the contacts.
What to do if the replacement did not help?
If after installing a new battery, the key still doesnβt work, the problem may not be the power cell. Here are the possible causes and solutions:
| Symptom | Possible reason | Solution |
|---|---|---|
| The key does not open the car, the LED does not blink. | The keychain or antenna board is damaged | Check the fuse F37Try to re-interpret the key in the service. |
| The key only works close (less than 1 m) | Weak signal of the car's antenna | Check the keyless access antenna (usually located in the rear bumper) |
| The keychain buttons are not pressed. | Oxidation of contacts or moisture ingress | Disassemble the keychain, clean the contacts with alcohol, dry |
| The key display is not switched on | Screen or chip damaged. | Contact the service for payment diagnostics |
If the key completely out of orderIt can be reprogrammed at the official dealer. Skoda. The cost of the procedure is from 1500 to 3000 rubles. In some cases, it is cheaper to buy a new key fob (about 5000-8000 rubles) and tie it to the car.
If the key stopped working after washing the car or raining, most likely the problem is in the antenna of the signal receiver (it is located in the back of the body). Check it for corrosion or breakage.
FAQ: Frequently asked questions about replacing the battery
Can I use the battery from the watch in the key Octavia A7?
No, batteries for watches (e.g., LR44 or SR44) have a different voltage (1.5 V) and dimension. They're not good for a keychain. Skoda And they could damage the fees.
How do you know if the battery is dead if there is no display?
Signs of a dead battery:
- The key opens the car only with 3-5 attempts.
- The range was reduced to 1-2 meters.
- The LED on the keychain flashes weakly or does not burn at all.
- When you press the buttons, you can hear a quiet squeak (in some models).
Should the battery be replaced to synchronize the key with the car?
In most cases, no β the key retains the attachment to the machine. But if you have the key with display system-model KeylessIt may require re-synchronization. For this:
- Insert the key into the ignition.
- Rotate to position
ON(do not start the engine). - Press and hold the button
LOCKon the key fob for 10 seconds. - Turn off the ignition and check the key operation.
What happens if you drive long with a battery?
If you ignore the battery discharge, it can lead to:
- Loss of key synchronization with the car (reprogramming is required).
- Damage to the keychain board due to electrolyte leakage.
- Locking the keyless access system (in some cases, the machine will not respond to any key).
Replace the battery at the first sign of discharge.
Can I replace the battery in the Keyless card on my own?
Yeah, but it's more complicated than a regular keychain. In key cards Skoda Octavia A7 with the system Keyless batteryCR2032 or CR2450) hidden under a plastic cover. To replace:
- Find a small hole on the end of the map for the screwdriver.
- Make sure you put the lid on (the lid is attached to the latches).
- Remove the old battery and install a new one, observing the correct polarity.
- Close the lid until it clicks.
After replacement, check the system operation Keyless β bring the card to the door handle. If the machine does not respond, perform synchronization (see question above).