Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_23840623_4 ( operating_mode VARCHAR, vehicle VARCHAR )

### Question ###
What is the operating mode of the Coda?

### Accurate SQL ###

SELECT operating_mode FROM table_23840623_4 WHERE vehicle = "Coda"