Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-Europe-9367723) -2016 - CRC - 10/9/15318 Vehicle CareReplace the wiper blades if they areworn or damaged. Damage can becaused by extreme dustyconditions, sand, salt, heat, sun,snow, and ice.WeatherstripsApply Dielectric silicone grease onweatherstrips to make them lastlonger, seal better, and not stick orsqueak. Lubricate weatherstrips atleast once a year. Hot, dry climatesmay require more frequentapplication. Black marks fromrubber material on painted surfacescan be removed by rubbing with aclean cloth. See RecommendedFluids and Lubricants 0 328.TyresUse a stiff brush with tyre cleaner toclean the tyres.CautionUsing petroleum-based tyredressing products on the vehiclemay damage the paint finish and/(Continued)Caution (Continued)or tyres. When applying a tyredressing, always wipe off anyoverspray from all paintedsurfaces on the vehicle.Wheels and Trim - Aluminiumor ChromeUse a soft, clean cloth with mildsoap and water to clean the wheels.After rinsing thoroughly with cleanwater, dry with a soft, clean towel.A wax may then be applied.CautionChrome wheels and other chrometrim may be damaged if thevehicle is not washed after drivingon roads that have been sprayedwith magnesium, calcium,or sodium chloride. Thesechlorides are used on roads forconditions such as ice and dust.Always wash the chrome withsoap and water after exposure.CautionTo avoid surface damage, do notuse strong soaps, chemicals,abrasive polishes, cleaners,brushes, or cleaners that containacid on aluminium orchrome-plated wheels. Use onlyapproved cleaners. Also, neverdrive a vehicle with aluminium orchrome-plated wheels through anautomatic car wash that usessilicone carbide tyre cleaningbrushes. Damage could occurand the repairs would not becovered by the vehicle warranty.Brake SystemVisually inspect brake lines andhoses for proper hook-up, binding,leaks, cracks, chafing, etc. Inspectdisc brake pads for wear and discsfor surface condition. Inspect drumbrake linings/shoes for wear orcracks. Inspect other brake parts,including drums, wheel cylinders,callipers, parking brake, mastercylinder, brake fluid reservoir,