# 2011 Hyundai Ioniq - Coolant mystery

**URL:** <https://community.cartalk.com/t/2011-hyundai-ioniq-coolant-mystery/194022>\
**Category:** Maintenance/Repairs\
**Tags:** hyundai\
**Created:** [December 15, 2023, 4:20am UTC](https://community.cartalk.com/t/2011-hyundai-ioniq-coolant-mystery/194022 "2023-12-15T04:20:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tracey48](https://avatars.discourse-cdn.com/v4/letter/t/b3f665/32.png) [@Tracey48](https://community.cartalk.com/u/Tracey48)\
**Post date:** [December 15, 2023, 4:20am UTC](https://community.cartalk.com/t/2011-hyundai-ioniq-coolant-mystery/194022/1 "2023-12-15T04:20:50Z")

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Coolant level is down about 10cm from the cap when the radiator is cool. The plastic bottle is over F when cool

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**Author:** ![It\_s-Me](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/it_s-me/32/12660_2.png) [@It\_s-Me](https://community.cartalk.com/u/It_s-Me)\
**Post date:** [December 15, 2023, 1:20pm UTC](https://community.cartalk.com/t/2011-hyundai-ioniq-coolant-mystery/194022/2 "2023-12-15T13:20:14Z")

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Wrong or defective radiator cap is my first guess.