Hi all. I'm a newbie and I was wondering if it's normal for the blue temp light to come on when I start my car? I live in the Bay Area so it doesn't get that cold at night. I've never had a car do that before. The blue temp light stays on for a few minutes then shuts off. Oh and when I open the trunk with the remote it just opens and doesn't pop open all the way. Is that normal? Thanks! I have a mazda 3 4 door
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mazdaspeedmyk
· Premium MemberJoined Apr 18, 2011
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#2 · Feb 14, 2015
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Yes. It's normal. It should go away after the engine has been running for a few minutes.
2010 Mazdaspeed3 - Celestial Blue Mica
2015 Mazda CX5, Touring, FWD - Soul Red Metallic
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XCNuse
· RegisteredJoined Aug 7, 2013
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#3 · Feb 14, 2015
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Can't say about the trunk, might need to lube the latch system.
The cold engine light is just a warning light for when the water temp is below 120F.
'06 Whitewater Pearl build | the noob thread
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trixx506
· RegisteredJoined Jul 16, 2013
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#4 · Feb 14, 2015
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The blue light is normal, as the others have said. It's only there to warn you not to rev the crap out of the car, until the engine is warm that is... I always try to stay under 3k until the blue light turns off.
I don't think the sedan trunk is supposed to open fully.
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leela222
· RegisteredJoined Mar 19, 2014
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#5 · Feb 14, 2015
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I have 4 door and the trunks pops open about a 1/4 of the way. I believe that is normal.
2014 sGT sedan Meteor Gray Mica
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SlyActiv
· RegisteredJoined Jul 15, 2014
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#9 · Feb 21, 2015
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I use that blue indicator light to tell me when to turn on my car's heater. Don't expect warm air until after that light goes off. Also keep in mind that the car isn't fully warmed up at the moment that light goes off. It takes another few minutes of driving for that.
This engine coolant light can turn another: Red. And as you may guess, it means your engine is way too hot! If this light comes on, it's recommended that you turn your car off. This light typically only appears on very hot days, but it can also illuminate if you've been driving a lot of lugging heavy equipment at high speeds. It's not a big concern as long as it turns off after a little while.
Potential Issues
As mentioned before, if the coolant temperature light remains on your dash for a while, you might be a little worried. While the light staying on could be related to a simple electrical issue, you should always take the light seriously if it remains on your dash for an extended period of time. If the blue light persists and everything seems operational, then you should not be too concerned. However, if the red light stays on, it could mean that your engine is at risk of overheating or major damage. We recommend taking your vehicle to a reputable auto repair shop, like Rocky Mountain Car Care, as soon as possible. High engine temperatures could relate to a multitude of engine combustion issues. It's always better to be sure, even if it was a false warning.
If your engine coolant light has been giving you a headache, please feel free to take your vehicle to Rocky Mountain Car Care! We'd be glad to answer any of the questions and address your concerns.
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