Here's why:
* Accuracy: Checking the level with the engine idling can give you an inaccurate reading. The fluid will be hotter and more expanded, leading to a false high reading.
* Safety: The transmission fluid is hot when the engine is running, and there's a risk of burns if you accidentally touch it.
Here's how to check your transmission fluid level correctly:
1. Park your car on a level surface.
2. Run the engine for a few minutes to warm up the fluid. This will help ensure the fluid is at the correct operating temperature.
3. Turn off the engine.
4. Locate the dipstick. It is typically located on the passenger side of the transmission.
5. Remove the dipstick and wipe it clean.
6. Reinsert the dipstick fully.
7. Remove the dipstick again and check the fluid level. It should be between the "HOT" and "COLD" marks on the dipstick.
Important Notes:
* If the fluid level is low, you may need to add transmission fluid.
* Never overfill the transmission.
* If the fluid is dark or smells burnt, it may need to be changed.
* Consult your owner's manual for specific instructions.
By following these steps, you can accurately check your transmission fluid level and ensure the health of your 2002 Camry.