Change in initial GCODE

[MPB71 0]

Dears, good morning!
 

I have an ultimaker S3 and with the intention of speeding up the start of printing, I would like to know how it would be possible to turn off its automatic leveling and also how to heat the construction table and the nozzles at the same time.
 

Currently I realize that first the table is heated, then the nozzles are heated, then the automatic leveling is done, and only then does it start printing.
 

Could you help me?

[Dustin 73]

This is controlled firmware side on S series not in start gcode.

[MPB71 0]

Is it possible to access the S series to make this modification?