# Wrong grade of oil for 2013 Chevrolet Volt?

**URL:** <https://community.cartalk.com/t/wrong-grade-of-oil-for-2013-chevrolet-volt/117680>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, volt\
**Created:** [May 19, 2018, 11:59pm UTC](https://community.cartalk.com/t/wrong-grade-of-oil-for-2013-chevrolet-volt/117680 "2018-05-19T23:59:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![HarryAdams](https://avatars.discourse-cdn.com/v4/letter/h/ba8739/32.png) [@HarryAdams](https://community.cartalk.com/u/HarryAdams)\
**Post date:** [May 19, 2018, 11:59pm UTC](https://community.cartalk.com/t/wrong-grade-of-oil-for-2013-chevrolet-volt/117680/1 "2018-05-19T23:59:03Z")

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What are the problems that might arise from using the wrong grade of oil. I have used 10-30 instead of10-40 though the 10-30 is synthetic.

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**Author:** ![Nevada\_545](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nevada_545/32/41232_2.png) [@Nevada\_545](https://community.cartalk.com/u/Nevada_545)\
**Post date:** [May 20, 2018, 6:21am UTC](https://community.cartalk.com/t/wrong-grade-of-oil-for-2013-chevrolet-volt/117680/2 "2018-05-20T06:21:23Z")

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> [@HarryAdams](#):
>
> have used 10-30 instead of10-40

The owners manual states to use Dexos specification 5W30.

10W30 and 10W40 are not recommended but probably would not result in problems during the first 100,000 miles.