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Goggled it nothing! batt ran out on the fob after replacing it the alarm arms but it doesnt remotely lock or unlock doors which it did before it ran out when armed or disarmed please helpcant find web site for sigma alarms.alarm was installed when brought the car second handdont know the model of alarm looked cant find it the fob is a single botton flat with round bit that sticks out bottom were bat gos on back says mpt 1340 the fob is black with a grey face sigma in white a black round button and tiny led pin hole size that flashes red there is red led in car that flashes red when armed thanks 4 all help just i know that its not normally dificult to re programe so than pay £40 or something like that if can do it my self would that

Call any audio retailer in your are. they should be able to call the manufacturer and and get the manual. or they will do it right there