Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil.
The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Low Fuel Warning Light
This light is located near the fuel gauge and comes on briefly when the
ignition is turned on as a check to show it is working.
It also comes on when the fuel tank is low on fuel. The light tu ...
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 d ...
Overview
Cadillac unveiled the 2013 XTS, the newest addition to the Cadillac luxury
sedan lineup. It arrives in showrooms in U.S. and Canadian showrooms in the
spring of 2012 as the most technologically ad ...