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.
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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