flashing blue lights on in 2015 Escape
Thieft system activated. Use the keypad and push the 7/8 9/0 at the same time, wait at least 10 seconds then enter your unlock code. That should deactivate the alarm. If not then there could be a module failure, a dealer will need to check it out. 2015 still should be under warranty. Read the owners manual there is a lot of information that you need to know.
Search Ford Escape Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Ford Escape Experts