LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2003 >> CTS Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Programming >> Oil Life Index Reset >> Navigation System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Navigation System

  1. Turn the system on by pressing the PWR/VOL knob once. The PWR/VOL knob is located to the lower left of the Driver Information Center (DIC) display.
  2. Press the INFO button located to the left of the display to access the Vehicle Information menu.
  3. Turn the TUNE/SEL knob located to the lower right of the display until Engine Oil Life is highlighted. Press the knob once to select it.
  4. Once the 100 percent Engine Oil Life is displayed, press the multi-function button next to the Reset prompt in the upper right corner of the display.
  5. The percentage will return to 100 and the oil life indicator will be reset.
  6. Repeat the steps if the percentage does not return to 100.
scientia non olet · About LEMON Manuals