Linsay GPS installing Map Help?

i recently bought a linsay GPS system on e-Bay and it came with a disc that has the Mexico map on it and i want to know if anyone knows how to put the maps on the GPS and if you do can you put specific instructions or a video link with a tutorial please.

contact the seller that you got it from and ask them how to do it. this is why buying from there sucks. you hardly get any customer service with your purchasing. i would highly recommend that you contact the seller and tell them to teach you how to do it or at least have them send you a manual.
once you get the manual read it. it should tell you exactly how to put the new maps on your gps. alternately you can see if the gps has a tutorial on it. press the question mark button and it should give you some insight on how to do it. i know this is possible because my amigo from newelectronx can do that. any ways, contact the seller asap. because you know how ppl on ebay are. so hurry up and i hope you paid with a credit card in case you need to get your money back.

6. My GPS said it was a road, my map said it was a road! Crossing desert to Parras, Mexico