For the availability, we would suggest you walk into the nearest dealership as they will be the better people to assist you because it depends on their stock book. You can click on the following link to see the details of the nearest dealership and selecting your city accordingly - Car Showrooms
Every light in the cluster is a type of signal which indicated that there is something wrong with the car or with the particular part. If the AMT light is continuously on or blinking then there might be some issue with the AMT box. So we would suggest you to exchange your words with the authorized service center and explain the problem in detail as they will be the better people to assist you in this case.You can click on the following link to see the details of the nearest authorized service center and selecting your city accordingly - Service Center.