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:
Brakes
Brakes stop the vehicle and are
crucial to safe driving.
- Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
- Trained dealer technicians have
...
V-6 Power
The CTS coupe's standard 3.6-liter V-6 moves this two-door smartly enough,
but it doesn't necessarily feel like there's a 304-horsepower engine under the
hood. With a curb weight of around 4,000 p ...
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 ...






