invp_get_the_transmission( int|null $post_ID = null )

 * @param  int|null $post_ID     The post ID of a vehicle. Must be passed when using this method outside the loop.
 * @return string
 */
function invp_get_the_title_status( $post_ID = null ) {
	if ( empty( $post_ID ) ) {
		$post_ID = get_the_ID();
	}
	return INVP::get_meta( 'title_status', $post_ID );
}

/**
 * invp_get_the_transmission
 *
 * @param  int|null $post_ID     The post ID of a vehicle. Must be passed when using this method outside the loop.
 * @return string
 */
function invp_get_the_transmission( $post_ID = null ) {
	if ( empty( $post_ID ) ) {
		$post_ID = get_the_ID();
	}
	$raw = INVP::get_meta( 'transmission', $post_ID );

	/**
	 * If we have transmission speeds "6" and transmission string
	 * "Automatic", change the string to "6 Speed Automatic"
	 */
	if ( ! empty( invp_get_the_transmission_speeds( $post_ID ) ) ) {
		$prefix = sprintf(