RAM CHASSIS CAB 2015 Owner's Manual page 517

MAINTAINING YOUR VEHICLE 515
7
Opening The Coolant Reservoir Coolant Reservoir Dipstick
2. Lift and remove the plastic dipstick from the reservoir 3. Check the coolant level on the dipstick.
neck.
The radiator normally remains completely full, so there is
no need to remove the radiator cap unless checking for
engine coolant (antifreeze) freeze point or replacing en-
gine coolant (antifreeze). Advise your service attendant