Heated Seat Operation with Remote Vehicle Start
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The heated seats will turn ON with a remote start only with cooler outside air temperatures and if the vehicle is equipped with an automatic climate control system.
When the remote start button is pressed and the HVAC control module senses cooler outside air temperatures, it sends a serial data message to the MSM commanding it to activate the heated seats. The heated seats will stay ON for approximately 10 minutes or until the ignition is turned to the ON/RUN position. Once the ignition is turned to the ON/RUN position the heated seats will have to be manually turned ON and OFF.