WARRANTY REGISTRATION Carrier (Malaysia) Sdn Bhd The on-line warranty registration provides a convenient and efficient mean of registration for Carrier customers who have purchased air-conditioning units. This method of warranty registration by the customer enables Carrier (Malaysia) Sdn Bhd to provide fast and efficient after sales service. Information given should be accurate and correct so that after sales service can be carried out promptly and with ease. Original warranty card must be kept safely and it must be presented when service is sought or rendered.