For 1990-2009 cars

The automatic transaxle identification number (1) is located on the top of the transaxle case in front of the vent tube.

This seven digit number is stamped into the case. The seven digit number refers to the model year and the serial number sequence.

Additional transaxle identification information can be found on the service parts identification label. This label contains information on regular production options (RPO) as well as standard and mandatory options. This label is affixed to the spare tire cover of each vehicle at the assembly plant. For additional information of the service parts identification label, refer to General Information.