receivng garbage value while getting VIN on car engine.

[microElabDevelop]

im try to get vin array 17 charator from car, normaly i all good but when i start car engine obd can line sending garbusge and i recive data lke ths ." WBSWD93549PY43903?!~,A^ "

vin_arr[16] = from_car->data.uint8[7];

i revice data from this function. and

char vin_arr[17];
.how can i filter array . and sending to other funtion..
im using esp32 controller with builtin CAN.