2010 lexus rx450 add key

[airbagunit]

hi all i have a 2010 lexus rx450 i have a good smart key that start the car customer want to add a key i try doing with techstreem it reads original key and new key when it say put key on pass seat nothing happen any solution

thank you

[leandroks]

It it a new or used key????

[airbagunit]

used key bought on ebay

[gwee]

need new key only

[ray-ray]

In the usa they are reusable if you do a immo. Reset and wait 16min. After that happens reg. the use eBay key first follow by the customer key. Both keys must match the pcb board marking, FCC: number are not valid.

[airbagunit]

how do i do immo reset with techstreem or another way

[gwee]

how do i do immo reset with techstreem or another way

don't u think is too risky to reset smart just to add key?

[achaccha]

You can make a reading of the EPROM Smart key and also of Ecu ID Code?
that's the only way to re-use that key.
good luck

[gwee]

only way ?? lol lol