Up to 2004, pull dipstick while idling in park. 2005 and later requires a special tool that the dealer has.
How do you check transmission fluid on a 2007 chrysler 300 touring
There wasn't a 1990 Chrysler 300.
The dipstick is a dealer only special tool.
You add transmission fluid to a 2.7 Chrysler 300 Touring at the dipstick tube behind the engine.
If it is a 2005 or later the dipstick is a special tool that is only available to the dealer.
It requires the dipstick, which is a special tool that only the dealer has.
By putting it in the thing that says trans fluid
How do I NEED Check transmission fluid in a 2003 Lexus Gs 300?"
ATF+4
The newer Chrysler 300's have 2 options for the transmission. The one that is made by Mercedes does not have a dipstick and will require you to take it to a shop or the dealer to have your fluid level checked.
Mopar ATF+4
Mopar ATF+4