See also:

Doing Your Own Service Work
If the vehicle is a hybrid, see the hybrid supplement for more information. WARNING You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing eno ...

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. T ...

Battery Replacement
To change the batteries on the headphones: 1. Turn the screw to loosen the battery door located on the left side of the headphones. Slide the battery door open. 2. Replace the two batteries in the c ...