How to open the door and start engine when smart key battery is dead? - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 02-05-2013, 01:23 PM
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How to open the door and start engine when smart key battery is dead?

With smart keyless system, I wonder if it is possible to unlock the door and start engine when smart key battery is dead.
If it is impossible, should I call roadside assistant?

Last edited by hiddenjr; 02-05-2013 at 01:38 PM.
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#2 Old 02-05-2013, 01:43 PM
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Originally Posted by hiddenjr View Post
With smart keyless system, I wonder how to open the door and start engine when smart key battery is dead?
Also wondering the price of replacement of battery at dealer and if there is any warning alarm to replace the battery.
The LED display will say something like replace key battery low.

I believe my 09 Highlander Hybrid is the same system as yours. There is a laser cut key that should be in your key fob. It is removed by pressing on in a small latch on the side of the fob to release the key. Only the driver's door has a key opening. Insert key into lock and turn like you would with any key. Once inside touch the fob to the strat button as you press the start button. The owner's manual explains this. Or you could do what I did. I bought a five pack of batteries very cheaply off Amazon.com. I replaced my batteries and put an extra in my center console. If I am ever i n you position I will just replace the battery and be on nmy way. Again this information should be in your owner's manual as it is in my 09 Highlander manual.

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#3 Old 02-05-2013, 02:59 PM
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The info is indeed in the owners manual. The best and easiest way is indeed to get a slew of back up batteries. They are not particularly easy to find in stores but can be purchased on line.

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#4 Old 02-05-2013, 05:16 PM
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Anyone know off the top of their head what kind of battery it is?
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#5 Old 02-05-2013, 05:26 PM
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Anyone know off the top of their head what kind of battery it is?
Yup, CR1632. I had to buy them on Ebay recently, no local stores had them. Got 2 for about $5 for our 2 keys.
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#6 Old 02-08-2013, 07:05 PM
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Originally Posted by VdubTX View Post
Yup, CR1632. I had to buy them on Ebay recently, no local stores had them. Got 2 for about $5 for our 2 keys.
This is good information, thank you! I'm going to check out ebay now.


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#7 Old 02-09-2013, 07:21 PM
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Ive got a set of 5 coming in. Thanks for the battery # I think it is a good idea to carry a extra just in case.

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