QUOTE(Ricky300 @ Sep 21 2013, 07:59 PM)
I tried the following steps but I failed to hear the BEEP >.<
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For those who are lazy to read, here are brief instructions to do it.
1) Disarm your car
2) open driver's door,
3) Click open your bonnet,
4) put in your key switch it to ON, wait 15 seconds,
5) Tricky Part: KEY IN PIN Number @ the control panel button next to your ignition switch (Cobra PIN provided by HM when they handed over the keys to you), On how to key in Pin, please refer to the PIN Card behind. IF SUCCESSFUL, you can see the INDICATOR LIGHTS blink once. Else if you do not see it, take out key and wait 5-10 seconds before repeating Part 4.
6) Once you see the INDICATOR LIGHTS blink, press the control panel button and hold it (Approx 3 Seconds) till you hear a BEEEEEP continuously. (ok now its activated). You can let go now.
7) To adjust the volume of the Buzzer function, press the control panel button again to adjust from volume 0 - volume 7 (being the loudest). Press once to upgrade from volume 1 to 2, press once again to 2-3 and so forth, once volume has reached volume 7, the next press would be silent, meaning its volume 0. Adjust to liking.
8) After adjusting, remove key. close door, close bonnet.
9) Test your alarm now.... ! biggrin.gif

are u driving 2012 or newer model?
if so try the steps below

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1) Disarm your car and sit in.
1a.) Make sure all doors, boot and bonet are closed.
2) put in your key switch it to ON, wait 15 seconds.
3) open driver's door,
4) Click open your bonnet,
5) Tricky Part: KEY IN PIN Number @ the control panel button next to your ignition switch (Cobra PIN provided by HM when they handed over the keys to you), On how to key in Pin, please refer to the PIN Card behind. IF SUCCESSFUL, you can see the INDICATOR LIGHTS blink once. Else if you do not see it, take out key and wait 5-10 seconds before repeating Part 4.
6) Once you see the INDICATOR LIGHTS blink, press the control panel button and hold it (Approx 3 Seconds) till you hear a BEEEEEP continuously. (ok now its activated). You can let go now.
7) To adjust the volume of the Buzzer function, press the control panel button again to adjust from volume 0 - volume 7 (being the loudest). Press once to upgrade from volume 1 to 2, press once again to 2-3 and so forth, once volume has reached volume 7, the next press would be silent, meaning its volume 0. Adjust to liking.
8) After adjusting, remove key. close door, close bonnet.
9) Test your alarm now.... !
good luck