Just ckecking ,Are you sure its the tranny plug you removed ?.
Is this an manual Shift , no dip stick on a manual.
the Vigor / TL 2.5 tranny plug is right below the shifter (center middle ,under car) Just like a Rear wheel drive Vehicle. , you might have drain the diff. Instead.
Your if did everything right , You might want to do what boater do . Get a pump at and pump-out the oil thru the filler hole.
I hope it helped.