2015 Cadillac ATS Owner Manual - Page 230

Driving and Operating against engine damage. Colder spark plug ratings should also be used. Consult your dealer. For 3.6L Engine Only: . 9-7 Caution (Continued) track driving. See Recommended Fluids and Lubricants on page 11-13. For vehicles equipped with front Brembo® brake systems: . Keep the level at or near 0.5 L (0.5 qt) above the upper mark that shows the proper operating range on the engine oil dipstick. Install an engine oil cooler kit, including engine oil cooler lines and oil filter adapter. Install a heavy duty fan. This requires electrical changes to the vehicle. Contact your dealer. 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 before racing/closed track driving. . The rear axle lubricant should be replaced with new lubricant. Additional cooling capacity is also required for continuous competitive driving. . . . Performance/racing brake pads are required prior to racing or closed track driving. Vehicles with option code Y4Q have performance brake pads. 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 on page 11-13. Do not use silicone-based fluids. Driving on Wet Roads Rain and wet roads can reduce vehicle traction and affect your ability to stop and accelerate. Always drive slower in these types of driving conditions and avoid driving through large puddles and deep‐standing or flowing water. . { 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 (Continued) .