1998 Pontiac Trans Sport Owner's Manual - Page 160

NOTE: While this mode provides increased security, it if can be a problem your remote keyless entry transmitter is damaged, lost or if it fails to operate for any reasonwhile the Content Theft-Deterrent system is armed. The Content Theft-Deterrent system must be disarmed for the engine to run while in Mode 2; your key can no longer disarm the system. 2. Insert your second key fully into any door key cylinder and turn it to the unlock position. This step is inconvenient, but necessary to prevent accidental programming of this feature to Mode2. Do not program this feature to Mode 2 without first reading the specialnote contained in the description for that mode. The door key cylinder must remain in the unlock positionduring Steps 2 through 4. 3. Press the horn symbol on the remote keyless entry transmitter. Mode 3: Standard Arming and Disarming The system will arm when you lock the doors using either power door lock switch while any door or the liftgate is open and thekey is removed from the ignition. The system will arm when you lock the doors with your key or remote keyless entry transmitter and the key is removed from the ignition. The system will disarm when you unlock the doors with your key or remote keyless entry transmitter. Vehicles are delivered programmed in Mode 1. To change the mode: 1. Follow the instructions for "Entering Programming Mode" listed previously. 4. Count the number ofchimes you hear. The number of chimes tells you which mode your vehicle is in.You can change the mode by pressing the horn symbol on the remote keyless entry transmitter again. 5. Repeat Step 3 until you hear the number of chimes that matches the mode you want. 6. Remove your key from the door key cylinder. The mode you selected isnow set. You can either exit the programming mode by following the instructions later in this sectionor program the next feature available on your vehicle. 2-49