Our remote keys include PCB and battery, it is ready to be programmed and it has been tested and all emit signals before shipping.

You need to check and confirm this information before you place an order (make sure your OEM key's buttons and shape are the same as ours):
FCC ID:  MYT8Z0837231
Part Number: 4D0837231E, 4D0837231P
4D0-837-231-P-01C; 4D0-837-231-P01C; 4D0837231P01C, 4D0837231E, 4D0837231E 01C; 4D0837231E01C
Frequency:314mhz
Chip:48
Blade Key:uncut
Note: 

It is an aftermarket key without a logo or part number printed, and this transmitter Doesn't work on vehicles equipped with support push start / Keyless entry.  

We will send you the Online instructions website by eBay message (some models need to be programmed by a car dealership and locksmith.

If you don't know, you can contact us).