RAM 1500 Owner's Manual page 768

766 MAINTAINING YOUR VEHICLE
2. To disengage the wiper blade from the wiper arm,
press the release tab on the wiper blade and while
holding the wiper arm with one hand, slide the wiper
blade down towards the base of the wiper arm.
Wiper Blade With Release Tab In Unlocked Position
1 — Wiper Blade
2 — Wiper Arm
3 — Release Tab