The key wont turn to start the car....red light flashes with a lock icon

SOURCE: ford five hundred has flashing light on dash for

sounds like chip key is not communicating with host computer. Part of anti-theft. probably a good idea to see dealer.

Johnny Brown

• 5763 Answers
• Posted on Oct 10, 2009

SOURCE: Mother in law has a 2005 Ford Five Hundred

check fuel cut-off switch, shut fuel down on in impact.think its located in trunk, check owners manual. ;hope this helps.

SOURCE: I have a 2005 Ford five hundred and the

You need to have the transmission serviced. The wrench indicates that the fluid in your transmission is out of spec or you have an out of spec pressure condition.

SOURCE: my entire dash flashes on my 2005 ford five

if you are still with in your warranty than yes the dealer should take care of it.

SOURCE: 2005 ford five hundred engine turns over but wont start

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.

To confirm the problem, the basic troubleshooting is required.

Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

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This will help.

Thanks