Cadillac 2016 ATS Manual page 181

180 Driving and Operating
Gasolines with a Pump Octane
((R+M)/2) of 99 or greater and
ethanol content below 15%
volume must be used for
competitive driving to protect
against engine damage. Colder
spark plug ratings should also
be used. Consult your dealer.
3.6L Non-Turbo (LGX) Engine Only:
3.6L Non-Turbo (LGX) Engine
with Oil Cooler: Confirm the oil
level is at the upper mark that
shows the proper operating
range on the engine oil dipstick.
3.6L Twin Turbo (LF4) Engine Only:
The twin turbo 3.6L engine (LF4)
requires premium fuel, and
comes standard with a 7 qt
sump, integrated oil cooler, and
other powertrain and powertrain
cooling components in
preparation for track use.
Brake Fluid
Before racing, replace existing
brake fluid with a qualified racing
brake fluid from a sealed
container. Brake fluid with a dry
boiling point >279 °C (534 °F) is
qualified. If racing brake fluid is
used, replace it with GM
approved brake fluid before
driving on public roads. See
Recommended Fluids and
Lubricants 0 327.
Do not use silicone-based fluids.
If racing brake fluid is in the vehicle
and the age of the brake fluid is
over a month old or unknown,
replace the brake fluid between
racing/closed track driving.
Caution
Failure to change the brake fluid
and transfer case fluid after any
performance or race track driving
could result in damage not
covered by the vehicle warranty.
Have the brake fluid and transfer
case fluid changed by your dealer
after any performance or race
track driving. See Recommended
Fluids and Lubricants 0 327.
Brake Burnishing
For vehicles equipped with front
®
Brembo brake systems:
Base Vehicles Only: Performance/
racing brake pads are required prior
to racing or closed track driving.
Vehicles with option code Y4Q have
performance brake pads.
New brake pads must be burnished
before racing or other competitive
driving.
Caution
Performing the brake burnish
procedure on a base brake
system can result in brake
damage.
Caution
The new vehicle break-in period
should be completed before
performing the brake burnish
procedure, otherwise damage
(Continued)