Locking harness

A retainer apparatus comprising:

• a first retainer portion removably attached to a second retainer portion, wherein said first retainer portion is configured to be slidably attached to a first adjustable harness strap of a car seat, and wherein said second retainer portion is configured to be slidably attached to a second adjustable harness strap of the car seat;
• a wireless transceiver physically contained within at least one of said first retainer portion and said second retainer portion;
• and
• a sensor physically contained within at least one of said first retainer portion and said second retainer portion, wherein said sensor is configured to detect said first retainer portion being disconnected from said second retainer portion and generate a warning signal indicating said first retainer portion being disconnected from said second retainer portion, wherein said wireless transceiver is configured to wirelessly transmit said warning signal to a controller in a vehicle to activate an audible warning alert to warn a user in said vehicle of said first retainer portion being disconnected from said second retainer portion.

A method comprising:

• removably attaching a first retainer portion, slidably attached to a first adjustable harness strap of a car seat, to a second retainer portion slidably attached to a second adjustable harness strap of the car seat, wherein said first retainer portion and said second retainer portion are comprised by a retainer apparatus;
• detecting, by a sensor physically contained within at least one of said first retainer portion and said second retainer portion, said first retainer portion being disconnected from said second retainer portion;
• generating, by said sensor, a warning signal indicating said first retainer portion being disconnected from said second retainer portion;
• and
• wirelessly transmitting, by a wireless transceiver physically contained within a surface of at least one of said first retainer portion and said second retainer portion, said warning signal to a controller in a vehicle to activate an audible warning alert to warn a user in said vehicle of said first retainer portion being disconnected from said second retainer portion.