See also:

Service mode
In service mode, the remote engine start function is temporarily disabled to prevent the system from unexpectedly starting the engine while being serviced. To engage or disengage service mode: 1. ...

Electrical system
AT: Automatic transmission MT: Manual transmission ...

Entering the vehicle following remote engine start shutdown
An alarm trigger may occur if the vehicle is opened by the remote keyless entry transmitter within a few seconds immediately following remote engine start shutdown. ...