Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).
See Fuel E85 (85% Ethanol). For all other vehicles, use only the unleaded gasoline described under Recommended Fuel.
See also:
Safety
The CTS sedan performed well in crash tests conducted by the Insurance
Institute for Highway Safety and the National Highway Traffic Safety
Administration. It received the IIHS' 2012 Top Safety Pi ...
Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one,
be inspected for signs of wear or damage at least once a month.
Replace the tire if:
The indicators at three or mo ...
Hydraulic Clutch
It is not necessary to regularly
check clutch fluid unless you
suspect there is a leak in the
system. Adding fluid will not correct
a leak. A fluid loss in this system
could indicate a probl ...