Hi Titus,
I had the same problem as you with the atuwatch 375 clam alarm, still 2 years i coud't arm and disarm the alarm with the original key of my Skoda octavia 2 it was monted. I bougt the alarm with the car in 2006 and it still worked fine to the year 2010. After that the alarm not recognize the original skoda key.
pad
First of all you have to disarm the alarm.
For this you have to conect the keypad of the autowatch alarm and put in the pin code (provided with the alarm, it si a 5 digit code (ex: 14222) than press the S key on the keypad, and you will hear a sound that the alarm is disarmend.
Close all dors and then enter the programming mode;
With the larm disarmed, switch the ignition of the car "on" and hold the S "key" of the keypad for 5 seconds. The keypad back light will rapid flash. (Swithing the ignition "off" will exit the programming mode).
For instalation learn;
Step 1: Entering programming mode (as described befor)
Step 2: Press the buttons (on the keypad) 123S led flash , press 1S led flash
Step 3: do the following
Turn the ignition of the car "off" extract the car key
A 10 seconds "Lock" learn timer will start (this is indicated by a single brap and a indicator flash on the keypad
Press in ths 10 seconds interval th "lock" button of the cars key transmiter
After this 10 seconds end ther will be a double prap and a indicator flash to indicate that the second 10 "unlock " timer has started
Press into this 10 seconds (unlock learn timer) the unlock button of yor car key transmitter
After ending of the 10 seconds unlock timer a triple brap and flash indicate that the programming has automatically exit.
Now your alarm should work. (do the steps carefully and slow) I have done it bad for several times and abandon the alarm for two years
To reset to the factory settings do the following;
Step 1: Enter programming mode
Step 2: Press 123S Led flash, pres 2S led flash
Step 3: Press 111S (that restore the factory settings)
Step 4 : Turn ignition off
(Dont forget to close all dors of your car)
I hope it will work also for you, have fun and let me know your result.
