how do i get my renault megan to start?

try this site (copy and paste)

http://www.programyourkeys.com/Program_Keys_-_Renault.html

arris
April 2009

are you turning ignition on and trying to start the car straight away, you may need to switch on ignition on and leave it on for up to 1 minute to give the immobiliser a chance to "talk" to the key it may take 2-3 attempts for them to sort themselvesout

bob k
April 2009