Gallery
Cadillac STS / Gallery
See also:
Recommended Fuel
If the vehicle has a V6 engine,
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 ...
Engine Oil Change
When the CHANGE ENGINE OIL SOON message displays, have the engine oil and filter
changed within the next 1 000 km/600 mi. If driven under the best conditions, the
engine oil life system might not ...
Security Light
The security light should come on briefly as the engine is started. If the system
is working normally, the indicator light turns off. If it does not come on, have
the vehicle serviced by your de ...






