MG GS Owner's Handbook Manual page 233

STARTING & DRIVING
Control Mode
Economy Mode
Selecting D automatically places the vehicle in the Economy
Mode. The information centre display will show "D".
Economy Mode provides optimum fuel consumption and
emissions.
216
Sport Mode
Once D is selected, move the shift lever to the right to
enable the Sport Mode (the gear displayed in information
centre changes to "S").
transmission upshifts later, so as to make full use of the
power reserves of the engine.
Under Sport Mode, the