THE car's VIN will tell you whether it is a GTS, so check your car's build plate. Because you bought the car new, there is no chance the plate will be false. If the console lid has Clubsport on it ...
The HSV GTS 2017 prices range from $74,800 for the basic trim level ... Talk to your dealer, who I'm sure will be both an HSV dealer and a Holden dealer, he should be able to repair the sat-nav screen ...