Rear Window Defogger - Toyota Yaris Forums

YarisOwnersDad · 10-26-2009, 02:08 PM

This may not be news to the vast majority of folks here, but some other newbies like me who have not had their "Yarii" during any winter months might find this information useful. The rear window defogger must be turned off manually. I used mine this morning on the way to work, and I found it still on when I went to lunch today.

The lack of a timer on the defogger is very surprising to me. It is also surprising that it will stay on when the ignition is switched off. (There is a warning in the owners manual about draining the battery by leaving the defogger on when the car is shut off.)

Gee, I guess a guy really ought to read his owners manual, huh?

Tomster

AmyV · 10-26-2009, 02:17 PM

So I knew there was no timer, but I didn't know that it would continue warming even when the ignition is not on! Had my Yaris 2 years now and that is news to me. Thankfully I don't use my rear defogger very often here in SoCal...

Lol I am going to go consult my owner's manual on my lunch break

YarisOwnersDad · 10-26-2009, 02:48 PM

Quote:

Originally Posted by AmyV

So I knew there was no timer, but I didn't know that it would continue warming even when the ignition is not on! Had my Yaris 2 years now and that is news to me. Thankfully I don't use my rear defogger very often here in SoCal...

Lol I am going to go consult my owner's manual on my lunch break

Page 164

2009BBPliftback · 10-26-2009, 02:59 PM

Quote:

Originally Posted by YarisOwnersDad

This may not be news to the vast majority of folks here, but some other newbies like me who have not had their "Yarii" during any winter months might find this information useful. The rear window defogger must be turned off manually. I used mine this morning on the way to work, and I found it still on when I went to lunch today.

The lack of a timer on the defogger is very surprising to me. It is also surprising that it will stay on when the ignition is switched off. (There is a warning in the owners manual about draining the battery by leaving the defogger on when the car is shut off.)

Gee, I guess a guy really ought to read his owners manual, huh?

Tomster

yeah its a simple thing such as a timer that makes me dislike my rear defroster.. I've forgotten to shut mine off on a few occasions although i'm going to have to question the battery drain while the ignition is off.. I just find that hard to believe even if it is printed in the owners manual.. kinda of like my scion xb having heated side view mirrors when in fact none of them were so equipped.

AmyV · 10-26-2009, 03:09 PM

Well, it's not like it's running when the keys are out. So, if the engine's running, you're good to leave it on. When your keys are out, you're good. The warning is just warning you about having the engine off with the keys in the 'On' position.

YarisOwnersDad · 10-26-2009, 10:57 PM

OK, the defogger is not "on" when the ignition is off. So, why the warning about battery drain?

Tom

AmyV · 10-26-2009, 11:09 PM

Hahaha... over-warning at it's finest!!!

They mean that when you are sitting in your car, with like the radio on waiting for... well god knows what, if you have your defogger on then, it could drain the battery. But even then, I mean how many hours would that take?! I would bet it would be at least a few

But that is what they mean by engine not running, but keys in the 'on' position.

b_hickman11 · 10-27-2009, 01:00 PM

If the light is on, then the defogger is on. If the light is off, then the defogger is off.

YarisOwnersDad · 10-27-2009, 01:48 PM

Quote:

Originally Posted by b_hickman11

If the light is on, then the defogger is on. If the light is off, then the defogger is off.

Yeah, I noticed the defogger light was on when I went to lunch yesterday, but I had already started the car by then.

Last night I tried turning off the ignition while the defogger was on, and the light went out.

Tomster

Sidicas · 12-19-2009, 12:12 AM

Haha, you guys scare me..

I just bought a Yaris and I'm picking it up today.
It doesn't turn off when you turn off the car? WHAAAAT? haha, that is too far out there to believe.. Those defoggers pull down a LOT of power, they would drain a battery within minutes, there's just no way Toyota would screw up something so majorly..

But yea, the first few posts in this thread got me good..

YarisSedan · 12-19-2009, 01:43 AM

Yeah i noticed that too. This the only car i have owned that dosnt have a timer. Even my POS ford escort i had the button would pop out after some time and would have to press it back in. Eventually it started popping out so much and i pressed it and it pushed into the dash and got lost so never worked again. But still it had a timer when the button was present.

specialeducator · 12-19-2009, 05:24 AM

I owned a '95 Saturn that also lacked a timer- inexcusable in my opinion.

Yaris Hilton · 12-19-2009, 10:21 AM

I suspect it doesn't draw as much current as many do. Coming home in heavy snow yesterday, snow piled up on my back window with the rear defogger running continuously, and the front defroster running wide open with the temperature cranked all the way up. Takes a good while to clear light fogging in mild temperatures.

supmet · 12-19-2009, 02:23 PM

Quote:

Originally Posted by specialeducator

I owned a '95 Saturn that also lacked a timer- inexcusable in my opinion.

Why is it such a big deal? I killed my battery for the first time a few weeks ago from listening to my stereo for too long, but I still haven't had problems with the defroster.. My dad's old camry, my brother's old camry, my old corolla, my dad's sienna and tundra don't have defrost timers.

Kinda just seems like something that would piss me off when my back window wasn't defrosted 20 minutes down the road, or something that I would break like in yarissedan's old car.

RedRide · 12-19-2009, 02:39 PM

Quote:

Originally Posted by Yaris Hilton

I suspect it doesn't draw as much current as many do. Coming home in heavy snow yesterday, snow piled up on my back window with the rear defogger running continuously, and the front defroster running wide open with the temperature cranked all the way up. Takes a good while to clear light fogging in mild temperatures.

Yeah, if I had to voice one complaint about my Yaris it would be the lack effecientcy for the front and rear defrosters as compared to most other cars I have owned.

MadMax · 12-19-2009, 02:46 PM

Quote:

Originally Posted by YarisSedan

Yeah i noticed that too. This the only car i have owned that dosnt have a timer. Even my POS ford escort i had the button would pop out after some time and would have to press it back in. Eventually it started popping out so much and i pressed it and it pushed into the dash and got lost so never worked again. But still it had a timer when the button was present.

Maybe that is exactly why Toyota didn't put on on the Yaris!

Honestly, I prefer the on/off version, I don't need the complexity of a timer on my rear defrost. I turn it on when the window is fogged up, and I turn it off when it's not. I think I can handle that much responsibility myself!

djct_watt · 12-19-2009, 02:50 PM

^ at least you HAVE a front defroster. The model in Thailand lacks both front defroster AND heaters (though you will probably never need either here which is probably why they were omitted in the first place)

rtom · 12-19-2009, 04:26 PM

In the US, which options include the rear window defog/defrost?

If I am reading this right, you have to get the Power Package -- the Convenience Package doesn't include it.

10-26-2009, 02:08 PM	#1
YarisOwnersDad Is now a Corolla S Owner View User's Garage Drives: 2010 Corolla S Join Date: Mar 2009 Location: Western Kentucky Posts: 460	Rear Window Defogger This may not be news to the vast majority of folks here, but some other newbies like me who have not had their "Yarii" during any winter months might find this information useful. The rear window defogger must be turned off manually. I used mine this morning on the way to work, and I found it still on when I went to lunch today. The lack of a timer on the defogger is very surprising to me. It is also surprising that it will stay on when the ignition is switched off. (There is a warning in the owners manual about draining the battery by leaving the defogger on when the car is shut off.) Gee, I guess a guy really ought to read his owners manual, huh? Tomster

12-19-2009, 01:43 AM	#11
YarisSedan Drives: 08 Yaris Sedan Join Date: Oct 2008 Location: California - Bay Area Posts: 2,773	Yeah i noticed that too. This the only car i have owned that dosnt have a timer. Even my POS ford escort i had the button would pop out after some time and would have to press it back in. Eventually it started popping out so much and i pressed it and it pushed into the dash and got lost so never worked again. But still it had a timer when the button was present. __________________ http://www.cardomain.com/ride/3210549

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10-26-2009, 02:17 PM	#2
AmyV she was an American girl Drives: 2008 Yaris HB, 67 Fairlane 500 Join Date: Oct 2009 Location: Highland, CA Posts: 85	So I knew there was no timer, but I didn't know that it would continue warming even when the ignition is not on! Had my Yaris 2 years now and that is news to me. Thankfully I don't use my rear defogger very often here in SoCal... Lol I am going to go consult my owner's manual on my lunch break

10-26-2009, 03:09 PM	#5
AmyV she was an American girl Drives: 2008 Yaris HB, 67 Fairlane 500 Join Date: Oct 2009 Location: Highland, CA Posts: 85	Well, it's not like it's running when the keys are out. So, if the engine's running, you're good to leave it on. When your keys are out, you're good. The warning is just warning you about having the engine off with the keys in the 'On' position.

10-26-2009, 10:57 PM	#6
YarisOwnersDad Is now a Corolla S Owner View User's Garage Drives: 2010 Corolla S Join Date: Mar 2009 Location: Western Kentucky Posts: 460	OK, the defogger is not "on" when the ignition is off. So, why the warning about battery drain? Tom

10-26-2009, 11:09 PM	#7
AmyV she was an American girl Drives: 2008 Yaris HB, 67 Fairlane 500 Join Date: Oct 2009 Location: Highland, CA Posts: 85	Hahaha... over-warning at it's finest!!! They mean that when you are sitting in your car, with like the radio on waiting for... well god knows what, if you have your defogger on then, it could drain the battery. But even then, I mean how many hours would that take?! I would bet it would be at least a few But that is what they mean by engine not running, but keys in the 'on' position.

10-27-2009, 01:00 PM	#8
b_hickman11 Drives: 08 Sedan Join Date: Oct 2008 Location: Tyler, TX Posts: 899	If the light is on, then the defogger is on. If the light is off, then the defogger is off.

12-19-2009, 12:12 AM	#10
Sidicas Drives: 2010 Toyota Yaris Hatchback Join Date: Sep 2009 Location: NY Posts: 82	Haha, you guys scare me.. I just bought a Yaris and I'm picking it up today. It doesn't turn off when you turn off the car? WHAAAAT? haha, that is too far out there to believe.. Those defoggers pull down a LOT of power, they would drain a battery within minutes, there's just no way Toyota would screw up something so majorly.. But yea, the first few posts in this thread got me good..

12-19-2009, 05:24 AM	#12
specialeducator Drives: 2008 Yaris sedan Join Date: Oct 2008 Location: Harrisonburg, VA Posts: 163	I owned a '95 Saturn that also lacked a timer- inexcusable in my opinion.

12-19-2009, 10:21 AM	#13
Yaris Hilton Half a Bubble Off Plumb Drives: 2009 Yaris Sedan Join Date: Mar 2009 Location: Bristol, Tennessee, USA Posts: 1,593	I suspect it doesn't draw as much current as many do. Coming home in heavy snow yesterday, snow piled up on my back window with the rear defogger running continuously, and the front defroster running wide open with the temperature cranked all the way up. Takes a good while to clear light fogging in mild temperatures.

12-19-2009, 02:50 PM	#17
djct_watt Drives: 2010 NCP91 5spd Join Date: Nov 2009 Location: Thailand Posts: 449	^ at least you HAVE a front defroster. The model in Thailand lacks both front defroster AND heaters (though you will probably never need either here which is probably why they were omitted in the first place)

12-19-2009, 04:26 PM	#18
rtom Drives: 2010 Yaris 3-door liftback MT Join Date: Nov 2009 Location: Denver, CO Posts: 47	In the US, which options include the rear window defog/defrost? If I am reading this right, you have to get the Power Package -- the Convenience Package doesn't include it.