Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving.
If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.
See also:
Exterior
Designed with a chiseled look, the four-door STS features what Cadillac says
is a "faster profile" with "more rake" than the CTS. All told, it's considered
"more sophistic ...
Control of a Vehicle
Braking, steering, and accelerating are important factors in helping to
control a vehicle while driving. ...
Control Buttons
The knobs and buttons used to
control the CD/DVD player are:
CD/AUX (CD/Auxiliary): Press to
switch between CD/DVD, auxiliary
input, and USB devices.
or
: Press to
select tracks.
TUNE/TON ...