2003 Pontiac Montana Owner's Manual - Page 124

If you shift the transaxle out of PARK (P) and accelerate before the power sliding door latches closed, the door may reverse to the open position. A child or others could fall out of the vehicle and be injured. Always make sure the power sliding door is closed and latched before you driveaway. If an object obstructs the power sliding door(s) while it is closing, the door will automatically reverse to the open position, provided it meets sufficient resistance. Resistance must be as strong as the force of the closing door, or stronger. The force of the closing door increases significantly as the door approaches the latched position. The driver's side sliding door is designed to open only a little if the fuel door is open. If this ever happens, don't try to force the sliding door. When the fuel filler door is closed, the driver's side sliding door can be oDened normallv. I You or others could be injured if caught the in path of the sliding door. Make sure the door path is clear before closing the door. If you want to open the power sliding door(s) when the override switch(es) is turned off, pull the inside or outside handle and let go. The door will open fully. To open the power sliding door(s) when the power sliding door override switch(es) is on, pull the inside or outside handie and siide the door aii the way back. 2-17