Engine oil life system reset
Before you start
- with the engine off.
Steps
- Turn the ignition key to RUN with the engine off.
- Fully press and release the accelerator pedal slowly three times within five seconds. If the OIL LIFE RESET message flashes for 10 seconds, the system is resetting.
- Turn the key to LOCK.
Source: 2006 GMC Yukon Denali and GMC Yukon Denali XL Owner Manual, page 5-18