View Here : Check Transmission Fluid
To check your automatic transmission fluid, look for a dipstick handle sticking out of your transmission. This is located toward the rear of an in-line engine on vehicles with rear-wheel drive as shown here:
Pull out the transmission fluid dipstick. On most cars, the car must idling in park with the parking brake on and the transmission hot. Wipe the dipstick on a clean rag or paper towel, reinsert it and pull it out again to check the transmission fluid level.
Your transmission depends entirely on this distinctive fluid, hence a low fluid level can have a disastrous effect on transmission operation. We recommend you check the level at least once a month. We recommend you check the level at least once a month.
This video will show you how to check for transmission fluid level on any 2008 through 2013 Toyota Highlander THIS IS THE BEST AND VERY AFFORDABLE SCAN TOOL.
If a red fluid has darkened or turned black, it indicates overheating and the fluid should be changed. Topping up, draining and refilling automatic transmission fluid. Top up the fluid levels through the dipstick tube, using a small funnel. Add a little at a time and check the level frequently to avoid overfilling.
Always check the owner’s manual or service data for the proper conditions before checking the automatic transmission fluid level. Why check the automatic transmission fluid level. Automatic transmission fluid is the life blood of the transmission. The fluid produces hydraulic pressure needed to operate the transmission.