Chevrolet Uplander Owner's Manual page 115

CAUTION:
{
You or others could be injured if caught in the
path of the sliding door. Make sure the door
path is clear before closing the door.
CAUTION:
{
If your vehicle is facing downward on a steep
grade (15 percent or more), the door may not
stay open and could slam shut, possibly
injuring someone. To make sure the door does
not slam shut, turn on the power sliding door
feature. Then if the door closes, it will close
under the control of the power door system.
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