I suspect you mean "put key in transmitter pocket" and not transmission?
If this is the case then more than likely you have an issue with the key, the key battery, or the antenna that picks up the key signal.
The easiest thing to do is try your second key and see if that has the same issue. If not, then you more than likely need to change the battery in the key that does not work.
If this does not work, then we need to start with checking for codes.
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
Even though the check engine light is not on, you will have what are called B codes or Body Codes which will cover this keyless go system.
If neither key works, then I suspect, we have an issue what is called the immobilizer unit. So, I highly suspect we will have codes.
Please see below for the most common codes but let's start with this and go from there. Thanks
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Monday, November 15th, 2021 AT 9:29 AM