smart key not functioning on 2005 Prius

Asked by Feb 04, 2010 at 05:10 PM about the 2005 Toyota Prius

Question type: Maintenance & Repair

My 2005 Prius was in a bodyshop for 6 weeks.  Just got it back and smartkey not working - unable to start ignition or lock/unlock doors.
Dealer wanted $40 - 80 to investigate, so I just spent $6 for new battery for key fob.  That did not solve the problem.  I have to physically put key in slot to start ignition.
anyone know of a solution?
thanks!

5 Answers

275

Most likely to keep from running the battery down (smartkey causes small 12v drain) the bodyshop turned it off with the switch located on the panel under the steering wheel marked 'smartkey, press the button one time.

21 out of 21 people think this is helpful.
140

there is a KEY button below the steering wheel, under the dashboard. try that first. i hit mine accidentally and that was the only reason it wasn't working!!!!

14 out of 14 people think this is helpful.
155

Our 2008 Toyota Prius' 12 volt battery needed to be replaced. But since then we've been having difficulty getting the electronic key to work. We have already changed that battery too but it takes several times to get the car started. Is this a common problem with the Prius? Or am I doing something wrong?

10 out of 10 people think this is helpful.
10

I had this problem with a 2001 Prius (which doesn't have the button below the steering wheel). Checked the batteries in each key and fuses etc., but couldn't find anything wrong. Then a day later it started working again. It must have been caused by radio interference. (A weather station I have that uses similar frequencies also stopped and started working at the same time.) I haven't found the culprit but the lesson to learn is to try moving your car if this happens.

1 out of 1 people think this is helpful.
40

I had no idea the button was there. This worked for me. My little girl must have kicked it when she was greeting me after coming home from work. =)

4 out of 4 people think this is helpful.

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