Pull out the transmission dipstick and pour in fluid with a narrow necked funnel.
Assuming we are talking about an automatic transmission, you remove the transmission dip stick and pour fluid into the dipstick tube.
Buy a transmission funnel and pour the fluid in the dipstick tube.
where do you pour transmission oil on a 5 spd
Pour the transmission fluid down the hole the transmission dip stick goes in. You will need a funnel to do it right. WRONG! Do not pour transmission oil into your engine oil compartment! There is no dipstick for transmission oil, at least not on the manual transmission. To fill the transmission, you must pump or pour fluid into the fill hole on the side of the transmission until it dribbles back out.
You pour it in a funnel connected to the check fluid tube. You will need to get a transmission fluid funnel.
Have it cleaned out and flushed immediately
If it's standard there is a plug in the side of the transmission, if it's an automatic pour it into where the dipstick is.
Don't drive it, but have it towed to a reputable garage that can flush the transmission. Driving it with the oil may cause serious damage to the transmission.
Same location where you pour the motor oil
You pour the transmission fluid down the dipstick tube.
transmission fluid almost always goes in the dipstick tube