Autopage C3-RS603 Key Fob Programming Instructions

This Autopage C3-RS603 system uses replacement remote: XT-20LCD, H50TR11

Please Note: If the memory exceeded, the security system will start deleting saved remotes from it’s memory in chronological order. These types of systems can only save a maximum of 4 remotes in it’s memory.

1. Twist the key in ignition OFF/ON 3 times and stay in ON position.
2. Within 15 seconds push the valet switch/button 2 times and hold it on your 2nd push until a long chirp is heard then release it. You are now in the programming mode.
3. Press and hold any button on the remote until the siren responds with a chirp, which means the remote has been programmed.
4. If you have an additional remote, just repeat step 3 for each remotes.

Twist the key in the ignition to OFF position. Three long chirps and 3 parking light flashes indicates the programming mode is off.

If your vehicle’s system was installed without the valet switch you can order one and install it to make it easier to do the programming.

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