Prius has been under a number
Prius has been under a number of recalls involving hybrid components and replacement. So your fluids may have already been changed.
Adding a $2,000 is not maintenence style budget but a repair because it is 1/3rd the cost of the car!
"...surprised to find that one can buy a reconditioned Prius battery for between $1500 and $2,000...." Tourquenews