Quote:
Originally Posted by Aquamania
How do you get to the " Hidden Service Menu "? This would be good to know!!
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Best to do a search and get detailed instructions. But generally:
1. Press and hold trip mileage reset until you get into the service menu, release button.
2. Press button repeatedly until you get to test #19.__
3. Enter summation of last 5 digits of VIN by pressing button repeatedly until you get to the number you calculated by adding up VIN. Menu is now unlocked.
4. Press button to get to menu item you want. Coolant temp is test #7.
Ignition must be in run position (engine can be running). Button means trip reset button. There are additional nuances in making this work, so do a search.