How do you check transmission fluid on 2006 Isuzu npr?

To check the Transmission Fluid on a 2006 Isuzu NPR, first ensure the vehicle is on a level surface and the engine is running at normal operating temperature. Locate the transmission dipstick, usually found near the back of the engine compartment. Pull out the dipstick, wipe it clean, reinsert it, and then remove it again to check the fluid level. The fluid should be within the marked range on the dipstick; if it's low, add the appropriate type of transmission fluid as specified in the owner's manual.