starts without key fob

2016 350is F sport
2,000 miles
Car is 6 weeks old
Drove away from the house without key fob in car. Got to destination and realized I did not have fob with me and could not lock the doors. Got back in car and restarted it 3 separate times with key fob being more than 8 miles away! Duplicated this scenario at home and car started without key fob in general vicinity once again! Anyone else experience this? Car starts and runs without key fob.
2,000 miles
Car is 6 weeks old
Drove away from the house without key fob in car. Got to destination and realized I did not have fob with me and could not lock the doors. Got back in car and restarted it 3 separate times with key fob being more than 8 miles away! Duplicated this scenario at home and car started without key fob in general vicinity once again! Anyone else experience this? Car starts and runs without key fob.
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Comments
He said:
"I can think of several scenario's that might allow this to occur. One that would seem the likely could be the Lexus Enform Mobile App. Since you can do just about anything else with the car with your smart phone, why couldn't it double as a key fob? As far as it actually doing it goes, I have no way of knowing I don't see that documented anywhere. Another possibility that would have to be investigated would be some type of failsafe routine intended to prevent the owner from being stranded in the event of some type of a system failure. Again, the Enform app might play a role although not necessarily from a primary function."