Shifter sticks
Its the safety break interlock, check your manual in there it will tell you how to bypass it to get you to the shop to fix it. I think its just a small slot screwdriver shoved in an access hole to allow it to move
not sure on the difficulty, mine acted up once or twice over the past 3 years but like you if seemed to go after a while, but i do carry a small slot screwdriver in my console. i have the console shift being a fx4 and i can hear the solenoid clicking when i touch the breaks and it sounds good and firm so i haven't had to change it out, but if it happens again i think it will be going in for a re-re

