My key sure that's ok
But I can't use it remotely

Please help

I have a check engine light on.I like to plug it in for diagnostic.

Had a flat tire but dont know the range of the doughnut would be

car running sluggish. not enough power

rear right speed sensor
rear left speed sensor
but in crunt data they sending asighnal

There's a perpetual light like the abs light on. It's a diesel engine.

Chasis No: JTEBH3FJ70K028476
Model No: KDJ150L-GKAEYW

what is the permanent remedy of the problem

what is CRYOPhilic bacteria

which battery size shall I replace?