This feature is useful if the vehicle is being serviced or stored in an enclosed area. To disable the remote start, move the optional remote start enable toggle switch to the OFF position. Valet mode can also be used. XT-42 LCD TRANSMITTER OPERATION: LCD REMOTE CONTROL TRANSMITTER: 8 Note: If the system is interfered by stronger radio frequency around, sources of high voltage electric power or such obstacles like tall buildings and so on, the transmission range may get shorter as the system uses