Red key light on after battery disconnect

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2018 CX5 Grand Touring Premium Soul Red, 2018 Mazda 3 Touring
HELP! I disconnected my battery to reset a check engine light ( due to my gas cap not being put back on ) . Check engine light is off, as I knew it would be. However, the red key light is on . The amber light on the start button is flashing as well. The car starts and both fobs are working the doors and starting the car. Any ideas ?
Guess I should mention this is a 2018 Mazda 3 Touring. Thanks .
 
Last edited:
Fixed.
I tried it again, this time with both key fobs available . Last time was only one fob. All lights off and all is well.
 
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