Pontiac 2003 Montana Owner's Manual page 114

If the power sliding door(s) is locked, first unlock all
doors, then press the van symbol to open the power
sliding door(s). The parking lamps will flash when
the right button with the van symbol is pressed and they
will not flash when the left button with the van symbol
is pressed. Press the van symbol again to close
the sliding door(s). See Power Sliding Door (PSD) on
page 2-15 for more information.
You can operate the power sliding door(s) with the
remote keyless entry transmitter only when the power
sliding door override switch(es) on the overhead console
is turned off. See Power Sliding Door (PSD) on
page 2- 15.
If your vehicle's fuel filler door is opened, the driver's side
power sliding door will not open completely. Do not try to
force the door. Once the fuel filler door is closed, the
driver's side sliding door can be opened normally.
Matching Transmitter(s) to Your
Vehicle
Each remote keyless entry transmitter is coded to
prevent another transmitter from unlocking your vehicle.
If a transmitter is lost or stolen, a replacement can
be purchased through your dealer. Remember to bring
any remaining transmitters with you when you go to
your dealer. When the dealer matches the replacement
transmitter to your vehicle, any remaining transmitters
must also be matched. Once your dealer has coded the
new transmitter, the lost transmitter will not unlock
your vehicle. Each vehicle can have a maximum of four
transmitters matched to it.
See your dealer to match transmitters to another
vehicle.
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