Brand Model Chassis Keyword Symptom Cure
Apex AT3208   Child Lock Apex child lock release sequences Push and hold the "F" button on the remote and press mute. Release then press 6688
Apex PF2020   Child Lock Apex child lock release sequences Push display for 10 seconds and enter 3308
Apex GT2711   Child Lock Apex child lock release sequences Enter the pass code of 1225 to clear