OLD CAR MECHANIC

HELP! I'm an old lady. I'm a working INDOOR LANDSCAPER/Commercial/GardenerI've got a 2002 Buick LeSabreIt's my 'work' truck. Well maintained it's whole life. Engine solid. 180k mi Been going to a certified mechanic shop for years for ALL my old cars. (Love old, comfortable cars) The 'old' guy who's always worked on them retired