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Security system reset?

Tiny
RUSSELL ARTHUR MURDOCK
  • MEMBER
  • 2007 MAZDA CX7
  • 2.4L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 158,000 MILES
Car flashes red car/key light. I have replaced battery, the chipped key and car still will not start. I have tried unplugging negative lead on battery and reconnecting it hoping that will clear up the problem that did not work either. Not sure what else to do.
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Monday, June 26th, 2017 AT 9:59 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try a security system reset it may have set the security off by disconnecting battery. See link.

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please let us know what you find. We are interested to see what it is.
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Tuesday, June 27th, 2017 AT 5:35 AM
Tiny
AJITPAL SINGH SHERGILL
  • MEMBER
  • 1 POST
  • 2007 MAZDA CX7
  • 110,000 MILES
Car key sign blinks. I have tried change batteries and all other tricks. But car will not start yet.
Do you have any ideas for that concern?
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Thursday, February 18th, 2021 AT 1:37 PM (Merged)
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Here is a tutorial on how to reset the anti-theft system. Let's start there first.

https://www.2carpros.com/articles/how-to-reset-a-security-system

Scroll down the page to find Mazda. Hope this helps and thanks for using 2CarPros.
Danny-
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Thursday, February 18th, 2021 AT 1:37 PM (Merged)

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