Bolivian Spanish word
avisar (antes)
Meaning: to give a heads-up (beforehand)
How it is used in Bolivia
'Avisar' is the everyday verb for keeping people posted, and 'avisar antes' (telling family before you go off-grid) is a real habit of considerate travel in Bolivia, where whole regions simply have no signal.
Learn it in a real situation
Explore the Yungas and Bolivian Amazon, Practical Spanish