2003 GMC Sonoma Owner's Manual - Page 52
2003 GMC Sonoma Manual
Page 52 highlights
With this system, use the LATCH system instead of the vehicle's safety belts to secure a child restraint. If a LATCH-type child restraint isn't attached to its anchorage points, the restraint won't be able to protect the child correctly. In a crash, the child could be seriously injured or killed. Make sure that a LATCH-type child restraint is properly installed using the anchorage points, or use the vehicle's safety belts to secure the restraint. See "Securing a Child Restraint Designed for the LATCH System", "Securing a Child Restraint in a Rear Outside Seat Position" or "Securing a Child Restraint in the Right Front Seat Position'' in the Index for information on how to secure a child restraint in your vehicle. 1-45
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