Why can the Santana sedan only match 8 keys?

Matching car keys Santana 2000GSI sedans, new car keys, and replacing the immobilizer ECU must be matched with a key with an instrument. This feature can erase all previous legal keys and reschedule them to new ones. If the user loses a legitimate key, the lost key becomes an illegal key and cannot start the engine by completing the matching key procedure again with another key.

There can be no more than 8 matching keys. The procedure for matching car keys is as follows: (1) The password must be known.

If it is lost, you can use the instrument to find out 14 characters first, and then ask for it from Volkswagen Service**. (2) Connect, turn on the ignition, enter the "25" anti-theft device address code, and press the Q key to confirm. Press the " " key to select the password input function.

Enter "11", press the Q key to confirm, and the screen will be displayed as follows: (3) Add "0" to the password number before 4 digits, such as 08888 and enter. Press the Q key to confirm, if it is correct, you can go back to the function menu to go to the next step of "matching".

If the screen shows the following, the password number is incorrect, and the correct password must be re-entered. If you make a mistake twice in a row, you must enter "06" to exit the anti-theft device self-diagnostic program, and wait for 30 minutes when the ignition switch is turned on (on).

4) Match the key. Enter the "10" matching function and press the Q key to confirm, the screen displays: Enter the "21" channel number, press the Q key to confirm, and the screen displays:

The number of car keys can be entered into 0 8 digits as needed, and the 2 in the above screen indicates that there are 2 legitimate keys stored. Typing "1" at this point means that you want to reduce the number of keys by 1, and typing "3" means adding 1 key. Until the number sign in the upper right corner of the screen needs to be counted.

Note: If you enter "0" to indicate that all keys have become illegal and the engine will not be started. Press the " " key and the screen displays:

If you need to match 5 keys, enter "00005" and press "Q" to confirm. Continue to press the "Q" key until the screen displays: press the " " key to return to the standby state, enter "06" to end the output function, press the "Q" key to confirm.

At this point, the key on the ignition lock of the car is matched. Turn off the ignition, then switch to another key, turn on the ignition for at least 1 second, and repeat the above operation to match all the keys. (5) Operation tips.

The operation process of matching the key should be completed within 30 seconds and the ignition must be turned on, otherwise it will be invalid. If an error is found during operation, such as matching the matched key again, the anti-theft warning light will flash quickly (2 times per second) and the readout process will be automatically interrupted. If the key to be matched is broken, or the key does not have a key, the match will not be completed.

After each successful completion of the key matching process, the anti-theft warning light will be lit for 2 seconds, then turned off for 2 seconds, and then turned off after 2 seconds. Indicates that the process is complete. All matching keys must be tried.

Or go to the "02" fault query function to check to confirm the final match.

Depending on the brand, the certification of the car safety system program is required to match the key** to the vehicle.

It varies from brand to brand, with a maximum of 8 for the Volkswagen brand.

Normal situations don't need so much.

Summary. Hello, glad for your question.

I'm a car maintenance consultant one or two car car. With 5 years of automotive experience, he is currently working in a senior auto repair factory, serving a total of 5,540 customers and providing comprehensive car purchase knowledge, maintenance and other consulting for a total of 1,915 hours.

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Volkswagen Santana car keys are inside, what to do.

Hello, glad for your question. I'm a car maintenance consultant one or two car car. With 5 years of automotive experience, he is currently working in a senior auto repair factory, serving a total of 5,540 customers, and providing comprehensive car purchase knowledge, precession maintenance and other consulting for 1,915 hours.

We're struggling to guess the answer, so please be patient for a while. I'll give you a solution in a few minutes, thanks!

Hello, it's the car key put in the car, the car is locked is this meaning, if so, first look for the spare key, if you don't see whether there is a gap in the car glass wheel, if there is, you can use a wire to try, no, you can only find a lock company.

SantanaThe place where the spare key is placed is as follows

1. Keep an eye on the hidden groove next to the roof seal, hiding in the car and the car together is the safest, and it is convenient to search Zheng safely, which is the so-called most dangerous place is the safest place. It is not only safe but also very convenient to put in the car, and you don't have to worry about the car key being locked in the car or dropping it in the future, there are spare keys that can be used at any time.

2. Volkswagen.

The spare key is in the unlocking remote. If the remote control is out of power when you usually use the car, you can take out the mechanical spare key at one end of the remote control to unlock the lock, first of all, find the small switch on the back of the remote control, and after opening the switch, the mechanical spare key at the end of the remote control can be pulled out and unlocked. Mechanical spare key, one inside a remote control, a total of two.

Santana dates back to 1973. The then West German Volkswagen Company.

The first generation Passat.

Passatb1) After production, the problems that arise in the use of users are placed in front of designers and engineers. The second generation of the Passatb 2 was born after a redesign and a new engine.

Have at least one key with a chip and know the password.

1) This feature will wipe out the ** of all previous legitimate keys.

2) All car keys, including the newly equipped keys, must be matched with the immobilizer control unit and the matching procedure must be completed at the same time.

3) If the user loses a legal key, for the sake of safety, all other legal keys must be re-completed once the key matching procedure, so that the lost key is illegal and cannot start the engine.

4) Select "Sign In" to test the feature.

5) Enter the password number, add a "0" in front of the four-digit password, such as 02345, if you enter the wrong password twice in a row, before entering the password for the third time, you must exit the anti-theft device self-diagnosis program, turn on the ignition and wait for 30 minutes before proceeding.

6) If the password is entered successfully, then select the "Channel Matching" test function.

7) Enter the matching channel number: Santana 2000 Passat input channel number "21", Audi V6, V8, V4 input channel number "01".

8) Enter the matching key (0 8, 0 means all the keys are illegal and cannot start the engine.) ）

9) Confirm the number of keys again, turn off the ignition, unplug the key, then insert the next key, turn on the ignition for at least 1 second and repeat the above operation. until all the keys are matched.

Note: (1) The operation of matching all keys cannot exceed 30 seconds, if you only insert the key and do not turn on the ignition switch, then the key matching is invalid.

2) If the system finds an error in the process of reading the key, such as matching the matched key again. The warning light flashes at a frequency of 2 times per second, and the key reading process is automatically interrupted.

3) After the successful completion of each matching process, the warning light flashes at a frequency of 2 times per second, then turns off for half a second, lights up again, and finally turns off.

Due to the wide variety of decoders available today, the way they operate may vary, but that's the basic process.

Acquisition of password: The password of the new car has a blacked-out password plate hanging on the key, and a blacked-out password strip is pasted in the glove compartment on the side of the passenger seat, and the four-digit password can be seen by scraping off the coating.

A 14-digit number and a 4-digit password are affixed to the anti-theft control unit.

If you can't find it in any of the above locations, follow the steps below:

1.Inquire through after-sales service.

2.Reads the data from the anti-theft system memory and uses this data to calculate the password in a specific way.

3.Replace a known password anti-theft control unit.

Pull down the seal under the front door window, use the wire to reach through the seal, find the door pin and pull it up, and the door opens. Or remove the seal under the window and hook the safety out with a 30cm wire with a hook.

If the car key is locked in the car, there are the following ways:

Smash the glass. When you have to choose to break the window to enter, it is recommended that you choose the front door glass, because this glass is easy to replace, has little impact on the seal, and is also acceptable. PS: No matter which piece of glass you smash, don't smash it with your bare hands to avoid injury.

Find a lockpicking company. Maybe you think it's too cruel to smash your own car glass, so it's better to find a more secure way, which is to find a lock picking company, so that you don't have to damage the vehicle itself, but it costs some money.

Spare keys. When your usual keys are accidentally locked in your car, retrieving your spare keys is the easiest and least costly way to do it. It is recommended that the spare key should be placed in a safe place at home, and try not to carry it with you to avoid unnecessary trouble after loss.

PS: Some spare keys can only open the doors and start the engine, but cannot open the luggage compartment and glove compartment.