THere is no dipstick on a 2005-2007 Mustang since Ford considereds the transmission sealed it wont need fluid added unless it has a leak or you are changing the fluid.
The dipstick cover is labeled Transmission Fluid. Transmission fluid on a 2000 Ford Mustang is added in the neck of the dipstick tube after the dipstick has been removed.
Manual has no dipstick. Auto is near the firewall.
In a 1989 Ford Mustang 5.0 The AUTOMATIC transmission fluid level dipstick is located in the engine compartment , near the firewall , just to the passenger side of the engine The manual transmission does not have a dipstick
The 2007 Ford Mustang has a 5-speed manual.
The manual transmission doesn't have a dipstick . There will be a fill plug somewhere on the transmission underneath the car
On a 2005 Ford Mustang GT the automatic transmission does not have an automatic transmission fluid level dipstick ( and the manual transmission fluid level is checked underneath the vehicle at the transmission fill plug )
According to the 2007 Ford Explorer Sport Trac Owner Guide : The automatic transmission does not have an underhood transmission fluid dipstick
The manual transmission does not have a dipstick , there will be a fill plug somewhere on the transmission body
In a 2000 Ford Mustang , 3.8 liter V6 , automatic transmission : The automatic transmission fluid level dipstick is by the firewall , in the area near where the transmission bolts to the rear of the engine , on the PASSENGER side of the engine in the engine compartment
The recommended automatic transmission fluid for the 2005-2007 Mustang is Mercon V automatic transmission fluid
from the transmission dipstick use some adaptor so you can drop your oild inside.
Motorcraft MERCON - V - automatic transmission fluid ( I believe it is stamped into the automatic transmission dipstick )