# 2012 Lexus ES 350 warning lights

**URL:** <https://community.cartalk.com/t/2012-lexus-es-350-warning-lights/175484>\
**Category:** Maintenance/Repairs\
**Tags:** lexus, es350\
**Created:** [March 1, 2021, 5:12pm UTC](https://community.cartalk.com/t/2012-lexus-es-350-warning-lights/175484 "2021-03-01T17:12:30Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![sharonvanbuskirk](https://avatars.discourse-cdn.com/v4/letter/s/ad7895/32.png) [@sharonvanbuskirk](https://community.cartalk.com/u/sharonvanbuskirk)\
**Post date:** [March 1, 2021, 5:12pm UTC](https://community.cartalk.com/t/2012-lexus-es-350-warning-lights/175484/1 "2021-03-01T17:12:31Z")

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Trac Off and Engine light came on - is this worrisome? I’m worried!

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [March 1, 2021, 10:00pm UTC](https://community.cartalk.com/t/2012-lexus-es-350-warning-lights/175484/2 "2021-03-01T22:00:02Z")

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I can’t tell you not to worry. One light will often trigger the other. Could be minor, could be major. The the CEL is blinking— **do not drive it** , have it towed. If the CEL is solid you **can drive it** to your mechanic. It needs to be diagnosed and repaired. Ignoring it could lead to more problems and more expense.

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**Author:** ![sharonvanbuskirk](https://avatars.discourse-cdn.com/v4/letter/s/ad7895/32.png) [@sharonvanbuskirk](https://community.cartalk.com/u/sharonvanbuskirk)\
**Post date:** [March 1, 2021, 11:07pm UTC](https://community.cartalk.com/t/2012-lexus-es-350-warning-lights/175484/3 "2021-03-01T23:07:53Z")

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Did just that. My mechanic found a faulty thermostat and has successfully replaced it. The check engine light and the TRAC OFF light are now off. Thank you!

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [March 2, 2021, 12:15am UTC](https://community.cartalk.com/t/2012-lexus-es-350-warning-lights/175484/4 "2021-03-02T00:15:03Z")

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Good for you, my guess the engine was running too cold. Glad it was a simple fix.