Service and Maintenance. . . 412The level should be at the propermark.If it is low, bring it up to the properlevel using DOT-3 fluid from asealed container.DOT-4 brake fluid is alsocompatible with the componentsof your brake system.Before adding DOT-4 brake fluid,flush the brake hydraulic system.Refill the system with DOT-4 brakefluid from a sealed container atregular maintenance intervals.If you choose to use Dot-4 brakefluid, flush your brake system andrefill it with new brake fluid everytwo years.See "Recommended Fluids andLubricants" later in this section.CAUTIONWith the wrong kind of fluid inyour brake system, your brakesmay not work well, or they maynot even work at all. This couldcause a collision. Always use theproper brake fluid.NOTICEUsing the wrong kind of fluidcould severely damage systemcomponents. Always use theproper brake fluid.Don't spill brake fluid on thevehicle's exterior surfaces. It candamage your paint. If you do,wash it off immediately.Windshield Washer FluidUse windshield washer solventsuch as GM Optikleen® ratherthan water to prevent freezing andfor better cleaning.If the washer fluid reservoir islow on fluid, WASHER FLUIDLOW -- ADD FLUID will appear onthe Driver Information Centerdisplay.Add washer fluid until the tank isfull.AKENG40_CTS Page 412 Wednesday, July 23, 2008 11:47 AM
