Someone

	$query = "INSERT INTO `carcomment` (`comment`,`commenttype_id`,`car_id`) VALUES ('" . 
				$comment['Carcomment']['comment'] . "', " . 
				$comment['Carcomment']['commenttype_id'] . "," . 
				$comment['Carcomment']['car_id'] . ")";

	$this->Carcomment->query($query);