You can notify the police by entering your Pin # in reverse. For example if your pin number is 8233 then you would put in 3328. The ATM recognizes that your pin number is backwards from the ATM card you placed in the machine.

The machine will still give you the money you requested, but unknown to the robber, the police will be immediately* dispatched to help you. This security guide was broadcasted on TV as well even though it is seldom used because people don’t know it exists.

*Depends on country/ area/ responsibility of policeman as well

Here is a sample device which detect notebook in a hidden place. For those who have never heard of it, attached below are the pictures of the detector.

Even with the WIFI (wireless), Bluetooth or the entire notebook is completely off, it can still be detected via radio frequency. Therefore never leave your notebook, PDA (Personal Digital Assistance) , mobile phone or any valuable electronic devices in the car. These devices are not expensive, it costs less than RM50 for the thieves to start the business.