# 2015 Toyota Avalon \_ headlights and starting

**URL:** <https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812>\
**Category:** Maintenance/Repairs\
**Tags:** toyota\
**Created:** [February 2, 2019, 2:59pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812 "2019-02-02T14:59:04Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Bruce02](https://avatars.discourse-cdn.com/v4/letter/b/c2a13f/32.png) [@Bruce02](https://community.cartalk.com/u/Bruce02)\
**Post date:** [February 2, 2019, 2:59pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812/1 "2019-02-02T14:59:04Z")

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Does it do any good to turn the headlights on for a few seconds (then off) before trying to start the car in subzero weather?

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [February 2, 2019, 3:06pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812/2 "2019-02-02T15:06:15Z")

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It still can but I’d just try and start the engine without it.

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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:** [February 2, 2019, 4:42pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812/3 "2019-02-02T16:42:54Z")

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My question is why?

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**Author:** ![pyrolord314](https://avatars.discourse-cdn.com/v4/letter/p/6a8cbe/32.png) [@pyrolord314](https://community.cartalk.com/u/pyrolord314)\
**Post date:** [February 6, 2019, 9:56pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812/4 "2019-02-06T21:56:25Z")

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> [@Bruce02](#):
>
> Does it do any good to turn the headlights on for a few seconds (then off) before trying to start the car in subzero weather?

No…unless you want to use up more power from the battery before you start it? 🤨🤔

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [February 6, 2019, 10:15pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812/5 "2019-02-06T22:15:22Z")

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Yes.

Anybody who lives in a cold climate, knows this as being a fact.

> **[Paul Brand: Can headlights brighten chance for start in cold?](http://www.startribune.com/can-headlights-brighten-chance-for-start-in-cold/15370726/)**
>
> Follow the StarTribune for the news, photos and videos from the Twin Cities and beyond.

Tester

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [February 6, 2019, 10:25pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812/6 "2019-02-06T22:25:31Z")

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> [@Tester](#):
>
> Anybody who lives in a cold climate, knows this as being a fact

Yup. A battery is a chemical device. Getting that chemical reaction started warms it slightly and helps start the car.

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [February 6, 2019, 10:47pm UTC](https://community.cartalk.com/t/2015-toyota-avalon-headlights-and-starting/133812/7 "2019-02-06T22:47:28Z")

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If your vehicle has remote entry ( that usually flashes the turn lights ) then opening the door also turns on interior lights and putting the key in might turn on dash lights seems to make physically turning on head lights unnecessary .
