# Security reset **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** nissan, sentra\ **Created:** [June 24, 2021, 2:23am UTC](https://community.cartalk.com/t/security-reset/177638 "2021-06-24T02:23:44Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![oTiqer](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/otiqer/32/21114_2.png) [@oTiqer](https://community.cartalk.com/u/oTiqer)\ **Post date:** [June 24, 2021, 2:23am UTC](https://community.cartalk.com/t/security-reset/177638/1 "2021-06-24T02:23:44Z")
I have a 2009 Nissan Sentra but the security indicator light keeps flashing and won’t let me start the engine. Is there a way to reset it? ---
**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\ **Post date:** [June 24, 2021, 2:46am UTC](https://community.cartalk.com/t/security-reset/177638/2 "2021-06-24T02:46:02Z")
have you tried using a different key? ---
**Author:** ![oTiqer](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/otiqer/32/21114_2.png) [@oTiqer](https://community.cartalk.com/u/oTiqer)\ **Post date:** [June 24, 2021, 2:50am UTC](https://community.cartalk.com/t/security-reset/177638/3 "2021-06-24T02:50:56Z")
No theres only one ---
**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\ **Post date:** [June 24, 2021, 3:01am UTC](https://community.cartalk.com/t/security-reset/177638/4 "2021-06-24T03:01:42Z")
im not familiar with your car but maybe this will help. [How to Reset an Automotive Security System (2carpros.com)](https://www.2carpros.com/articles/how-to-reset-a-security-system)