2003 GMC Yukon Owner's Manual - Page 76

8. If your vehicle has the passenger sensing system and you're using a rear-facing child restraint in this seat, check to be sure the right front passenger's frontal air bag is off before you begin to drive. If the air bag has been turned off, the off indicator will light and stay lit when the key is turned to RUN or START. If the on indicator is lit, the passenger's frontal air bag has not been turned off. If this ever happens, turn the vehicle off, unbuckle the safety belt and perform the steps to install the rear-facing restraint again. After restarting the vehicle, if the air bag still doesn't turn off, install the infant restraint in a rear seat position of the vehicle and have your vehicle serviced as soon as possible. To remove the child restraint, just unbuckle the vehicle's safety belt and let it go back all the way. The safety belt will move freely again and be ready to work for an adult or larger child passenger. Air Bag Systems This part explains the frontal and side impact air bag systems. Your vehicle has air bags - a frontal air bag for the driver and another frontal air bag for the right front passenger. Your vehicle may also have a side impact air bag. Side impact air bags are available for the driver and right front passenger. If your vehicle has a side impact air bag for the driver and/or the right front passenger, the words AIR BAG will appear on the air bag covering on the side of the seatback closest to the door. 1-70