Yes bro actually cng akisbekadre yelru ilidhu akosodh olledhu becz cng blast aago chances irutte rear cases alli better to be safe niv yelru nu ilisodh olledhu for better and swalpa distance maintain madi cng aakisovaaga i think this will help out u
Reason we are asked to stay out of vehicle. Chances of CNG escape and resultant ignition are more while the vehicles are getting filled. During connection the rubber O ring at the nozzle may fail or any leaking joint may rupture resulting into uncontrolled CNG escape.