ikeyKeyless entry systems may not be as cool as you think it is. At least, that’s what it’s turning out to be for some buyers of Nissan’s latest cars in the US that come standard with keyless entry systems. Some customers have found that cell phones kept near their Nissan Altima and Infiniti G35’s I-Keys can reprogram and damage the key, causing it to stop working.

“We discovered that if the I-Key touches a cell phone, outgoing or incoming calls have the potential to alter the electronic code inside the I-Key. The car won’t start and the I-Key cannot be reprogrammed,” warned Nissan spokesman Kyle Bazemore. He assured that owners who encounter this problem can get a new key from dealers, and an updated version of the I-Key which solves this problem will be available in Fall 2007.

Seriously, doesn’t the Nissan I-Key have a manual key integrated into it as well? For example, BMW’s keyless entry device has a little manual key integrated into it which you can pull out and use to unlock the doors and etc. Why the warning that it will “stop working”? It would be better to be teaching the public how to use the manual key to open and start their cars instead of just saying the car will be disabled. Plus this shows that insufficient testing was done before launching the product.