or you can turn the ignition to the ON/RUN position with the engine off and step fully on the gas pedal 3 times quickly in a row. this is my preferred method since it's much easier1. Turn the ignition to ON/RUN, with the engine off.
2. Press the information and reset buttons on the
Driver Information Center (DIC) at the same
time to enter the personalization menu.
3. Press the information button to scroll through the
available personalization menu modes until the
DIC display shows OIL-LIFE RESET.
4. Press and hold the reset button until the DIC
display shows ACKNOWLEDGED. This will tell you
the system has been reset.
5. Turn the key to LOCK/OFF.
I haven't tried the pedal reset method since it's less effort to use my fingers, but I noticed that this reset method isn't in the owner's manual so I wonder if it has been deprecated these cars. Have you tried the pedal method on your 2007 G5 yourself?GM has been using the pedal pump method much longer than the DIC method.
I'll try the keyboard button method first. My car just had its first oil change and the dealer service centre reset it for me. Though this time around, I'm sure I'll have to reset it myself before the next oil change because from having observed the rate of percentage change of the oil life value in the last few months, I'm quite sure it will go to a low value well before the 8000 to 9600 km (5000 to 6000 miles) interval I plan to use the 2nd load of oil for. I vaguely recall reading somewhere that the system control computer (i.e. BCM) might also send an alert through On-Star to me so I will reset the oil life value before it triggers the service reminder message on the display.It works. I use the pedal method every time I change the oil.