Join Date: Sep 2005
Location: Bolton, Connecticut
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Re: Can I Program a 2010 Prius Smartkey Myself?
You should be terrified about losing it. Definitely get a new one for the dealer to program the car to accept before you do lose the only one or else you will be forced to pay the bigger bucks to have the dealer re-seed the car's computer before any new fob(s) can be accepted by the car. As long as you have one fully functional fob to access the smart key computer, you can add up to 4 fobs total. I would suggest you have the dealer remove the missing original one first so that the previous owner (if he still has the other fob) no longer will have access to your car (should he discover it's now in your possession). You should never be down to only one fob or you run the risk of losing the one working one that will grant the dealer access to program the car for another one without the added cost of the re-seeding.
The $350 you mentioned in your earlier post sounds a little steep, but I bet that is the price for the fob including the car's programming for it. I think I've seen a price mentioned on this site of about $250 with about $90 for the programming, so your price now sounds in the ballpark only if it includes the programming. I think a new fob includes the hidden metal key, so I don't think you have to pay the $130 on top of the $350 (that would be if you only needed a metal key by itself, but that seems way too high). The metal key is supposed to be laser cut, but I don't know how much they may charge for that. When the hardware store cut my $2 blank for the $2 service/cutting fee, they had a bit of a time getting it right because of the difficulty holding the small size of the original hidden one. After re-adjusting & re-clamping the original 3 times & re-chasing the notches on the blank with their grinding wheel, it finally worked in the door lock. That may be why the dealer does it with the more accurate laser.
If there are 3 drivers in your household, you may want to ask the dealer if there is any additional programming charge for the 3rd one (I would think not as they are already into the computer & it's real easy at that point to just add another new fob's ID into it). Of course you will still have the cost of the new fob, but it is likely it will only be around the $250 amount I've heard of before. If you do add another one separately later on, it will most likely be around the $350 again. Again, it's not just Toyota that has expensive fobs & programming as I've learned from talking to the dealers at the car auction I work at.
Ken (in Bolton,Ct) 2005 Pkg #4 (AM)