My GE key safe, gray 5 button, have stopped opening when the code is pushed. I have tried removing the battery and putting them back in. Any other thoughts?

IMPORTANT NOTE:
You must have the security anti-theft code for your Audi radio from the car manufacturer, or from an Audi dealer!

You can find the radio code at: http://www.radio-code.co.uk/

The sequence of programming for 2001 Audi A6 radio is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
For example: we have the security code "5079". Then:
3. By the no.# 1 key you will set up the first safe code digit. Push 5 times on the no.# 1 button. The "5" number will be setted.
4. By the no.# 2 key you will set up the second safe code digit. Push 10 times on the no.# 2 button. The "0" number will be setted.
5. By the no.# 3 key you will set up the third safe code digit. Push 7 times on the no.# 3 button. The "7" number will be setted.
6. By the no.# 4 key you will set up the four-th safe code digit. Push 9 times on the no.# 4 button. The "9" number will be setted.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed.
The radio is now ready for use!

The sequence of programming for 2000 VW Cabrio radio is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
For example: we have the security code "5079". Then:
3. By the no.# 1 key you will set up the first safe code digit. Push 5 times on the no.# 1 button. The "5" number will be setted.
4. By the no.# 2 key you will set up the second safe code digit. Push 10 times on the no.# 2 button. The "0" number will be setted.
5. By the no.# 3 key you will set up the third safe code digit. Push 7 times on the no.# 3 button. The "7" number will be setted.
6. By the no.# 4 key you will set up the four-th safe code digit. Push 9 times on the no.# 4 button. The "9" number will be setted.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed. The radio is now ready for use!

IMPORTANT NOTE:
You must have the security anti-theft code for your VW radio from the car manufacturer, or from an Volkswagen dealer!

You can find the radio code at: http://www.radio-code.co.uk/

The sequence of programming for 1997 VW radio is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
For example: we have the security code "3560". Then:
3. By the no.# 1 key you will set up the first safe code digit. Push 3 times on the no.# 1 button. The "3" number will be setted.
4. By the no.# 2 key you will set up the second safe code digit. Push 5 times on the no.# 2 button. The "5" number will be setted.
5. By the no.# 3 key you will set up the third safe code digit. Push 6 times on the no.# 3 button. The "6" number will be setted.
6. By the no.# 4 key you will set up the four-th safe code digit. Push 10 times on the no.# 4 button. The "0" number will be setted.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed. The radio is now ready for use!

The sequence of VW radio programming is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
For example: we have the security code "5079". Then:
3. By the no.# 1 key you will set up the first safe code digit. Push 5 times on the no.# 1 button. The "5" number will be setted.
4. By the no.# 2 key you will set up the second safe code digit. Push 10 times on the no.# 2 button. The "0" number will be setted.
5. By the no.# 3 key you will set up the third safe code digit. Push 7 times on the no.# 3 button. The "7" number will be setted.
6. By the no.# 4 key you will set up the four-th safe code digit. Push 9 times on the no.# 4 button. The "9" number will be setted.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed. The radio is now ready for use!

The sequence of Audi radio programming is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
For example: we have the security code "5079". Then:
3. By the no.# 1 key you will set up the first safe code digit. Push 5 times on the no.# 1 button. The "5" number will be setted.
4. By the no.# 2 key you will set up the second safe code digit. Push 10 times on the no.# 2 button. The "0" number will be setted.
5. By the no.# 3 key you will set up the third safe code digit. Push 7 times on the no.# 3 button. The "7" number will be setted.
6. By the no.# 4 key you will set up the four-th safe code digit. Push 9 times on the no.# 4 button. The "9" number will be setted.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed.
The radio is now ready for use!

IMPORTANT NOTE:
You must have the security anti-theft code for your VW radio from the car manufacturer, or from a VW dealer!

You can find the radio code at: http://www.radio-code.co.uk/

The sequence of VW radio gamma programming is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
For example: we have the security code "5079". Then:
3. By the no.# 1 key you will set up the first safe code digit. Push 5 times on the no.# 1 button. The "5" number will be setted.
4. By the no.# 2 key you will set up the second safe code digit. Push 10 times on the no.# 2 button. The "0" number will be setted.
5. By the no.# 3 key you will set up the third safe code digit. Push 7 times on the no.# 3 button. The "7" number will be setted.
6. By the no.# 4 key you will set up the four-th safe code digit. Push 9 times on the no.# 4 button. The "9" number will be setted.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed.
The radio is now ready for use!

You can find the radio code at: http://www.radio-code.co.uk/

The sequence of programming for 2000 Audi A4 radio is:
1. Push simultaneous "SCAN" and "RDS" keys until on the screen will appear "1000" displayed.
2. Release keys. No more push on "SCAN" and "RDS" keys because otherwise number "1000" will be considered as first safe code attempt.
For example: we have the security code "5079". Then:
3. By the no.# 1 key you will set up the first safe code digit. Push 5 times on the no.# 1 button. The "5" number will be setted.
4. By the no.# 2 key you will set up the second safe code digit. Push 10 times on the no.# 2 button. The "0" number will be setted.
5. By the no.# 3 key you will set up the third safe code digit. Push 7 times on the no.# 3 button. The "7" number will be setted.
6. By the no.# 4 key you will set up the four-th safe code digit. Push 9 times on the no.# 4 button. The "9" number will be setted.
7. Then push again simultaneous "SCAN" and "RDS" keys for confirm this safe code. On the screen will be displayed "SAFE" notice. Release keys! For few seconds a radio frequence will be displayed. The radio is now ready for use!

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The Discovery Kids Safe works slightly differently. When you press the reset button on the bottom of the safe, the code defaults to "1234". To set a new code, Press *, then your four-digit code, then * again.
Emergency Open: In case of malfunction, hold down "WIRE" button and push on the drawer.

After opening the electronic safe (with the pre-set factory code of 159B) locate the small red button on the
inside of the door near the hinge.
2. Press the red button and then release it, you will hear a beep. DO NOT SHUT THE DOOR UNTIL YOU HAVE CONFIRMED THAT YOUR NEW SECURITY CODE HAS BEEN ENTERED CORRECTLY.
3. With the door open, enter your own personal security code, which can be 3- 8 digits long, and confirm your new code by pressing the letter “B” on the electronic touch pad. Before you close the door, try the new security code to make sure the lock release the knob so you can turn it and retract the live action locking bolts.
If the code fails, go through steps 1-3 again. If the code works successfully, then you should lock the safe. When you open the safe in the future enter the security code you have set followed by the letter “B” and turn the knob.

If the incorrect security code is entered 3 times you will have an automatic lockout for 20 seconds before you can try your code again. If the incorrect security code is entered 3 additional times there will be a 5- minute lockout before the code can be tried again.
BATTERY REPLACEMENT
This safe uses 4- AA batteries. Under normal use, batteries will last about 1 year. When the battery is low, a red light will come on warning you that the battery is low. To test the batteries, enter your security code. If the batteries are low the red light located in the middle of the top of the keypad will start to flash.

To replace the batteries, open the safe door with your security code and turn the knob. Push the batteries cover plate, which is located on the back of the door, and replace the old batteries.
YOU MUST PROGRAME YOUR SECURITY CODE AFTER YOU REPLACE THE BATTERIES. SEE STEPS 1- 3 UNDER “ENTERING YOUR SECURITY CODE”.
TROUBLE KEY
A “Trouble key” has been provided in case you forget or lose your security code. Remove the small central panel from the front of the faceplate. Insert the key and turn it counter clockwise. Then turn the knob on the door towards the right. This will manually open your safe. If you lose your key, you may purchase a replacement key by referencing the serial number located under the central panel by the lock.
MAINTENANCE FOR KEY AND ELECTRONIC SAFE
If the door of the safe starts to rub on the door frame, open the door per the instructions above. By the door hinges you will find a threaded stem. Use an Allen wrench to tighten the threaded stem. This will help realign the door and give you trouble free access to the contents of your safe.

The operating instructions on the ES20 as per the crappy manual:

Open safe using emergency key provided

Insert batteries in the box inside the door

Opening the safe
a. pre-set factory code 159
b. input 159 (the yellow light will flash and the buzzer will beep), then press B or A button, the green light will be on, rotate the knob clockwise, pull outwards, the door is opened

Closing the safe: close the door, input the code (the green light will flash for 5 secs). Turn the knob anti clockwise, the control system will activate and the safe will be locked

Changing the code: open the safe, press the red button located inside the door, the yellow light will go on indicating the code can be changed. Input the new code (1-8 digits), then press A or B button, it shall be confirmed by two beeps indicating the new code has been accepted and stored. If the yellow light and buzzer beeps 3 times the code is invalid - try again

Emergency Key - store in secure place NOT inside the safe. Remove the override cover in the centre of the face of Safe (its a silver plastic panel with Sandleford Electronic Safe ES20 on it), insert override key (a cyclinder key) - hidden underneath the override cover panel - and turn anti clockwise, rotate the knob clockwise to open door

Changing the Battery - If the red and green light are on this indicates that the batteries are low and require changing. To ensure the batteries have been installed correctly test before closing the door

References:
1. Operating instructions EA Electronic Safe
2. http://www.secustar.com/products-en/estype-safe.htm