check it when it`s hot or warmed up. flat surface. don`t know of any other? if you don`t drive it alot the fluid may need to run a bit to flow into all compartments. thats maybe why until it runs a bit, till it works good?
__________________ 89 LX vert. Auto to 5 sp.(t-5WC)Hurst short throw 3;73 rear,trickflow cover. Trickflow HCI street heat stage 1 ,24lb.inject. 70mmbody,75mm prom mass air. shorty headers highflow cats, flowmaster. Adj.fuel reg.190fuel pump. underdrive pullies,cold air fender. blue hose and 3 row radiator, 180 therm. edelbrock high flow,SS fan clutch,blast coil and 6al multispark, blue wires, subframe conectors and strut brace. trunk-no rack, 93 sp.ed.spoiler, cobra R 17, rear disk brakes, G3130amp/alt | 
Correct way to check Automatic Transmission Fluid level? 
