Proper heating and cooling performance is critical for interior comfort and for safety reasons such as defrosting. The HVAC system will work as designed when you need it if you perform this service. 

 Your car’s brake system is its most critical safety system and you should check it immediately if you suspect any problems. A properly operating brake system helps ensure safe vehicle control and operation under a wide variety of conditions. 

 The battery, starter, and alternator form the core of a vehicle's electrical system, working together to start the engine and power components. The battery provides energy to the starter to crank the engine, while the alternator recharges the battery and powers the car while running. Common failure signs include slow cranking (starter), dim lights (alternator), and a completely dead car (battery).

 An illuminated “Check Engine” or “Service Engine Soon” light indicates a problem detected by your car’s on-board diagnostic system (OBD). The light cannot indicate the exact nature of the problem – only the right training and diagnostic equipment can do that. 

 The engine cooling system affects your car’s overall dependability and engine longevity. Cooling systems have advanced over the years with new coolant formulations and new radiator designs and materials. If you suspect a problem with your cooling system, you should check it immediately. 

 Like your car’s brake system, the steering and suspension systems are key safety-related systems. Together, they largely determine your car’s ride and handling. Have your car’s steering and suspension systems checked regularly, at least once a year and usually with a wheel alignment. 

 In a piston engine, either a timing belt or timing chain or set of timing gears is used to synchronize the rotation of the crankshaft and the camshaft. This synchronisation ensures that the engine's valves open and close at the correct times in relation to the position of the pistons. 
A worn timing belt will affect your engine's starting speed as it is attached to the pulleys that drive the crankshaft. Eventually, the belt can slip on the camshaft drive causing the engine cylinder to open and 

 Many experts urge replacing belts, radiator and heater hoses at specific recommended intervals to prevent your car from breaking down. Losing a belt today can mean big trouble for the engine because serpentine belts are used on most engines to turn the water pump, alternator, power steering and air-conditioning compressor. If the belt snaps, everything is lost and you may be stranded. Older cars use individual V-belts for these various accessories. A blown hose could result in an overheated eng

 A filter used to clean incoming air for the car’s HVAC system. Introduced in European vehicles, cabin air filters are now becoming common on more domestic and Asian makes and models. Some examples include the Ford Taurus, Contour, Windstar and Ford trucks; the Chevrolet Impala, Monte Carlo, Suburban, Tahoe and Silverado; and the Lincoln Navigator. Japanese cars such as the Honda Accord and Odyssey, and the Acura RL and TL use cabin filters. To date, approximately 40% of cars have cabin air filt

 Fuel economy is the number of miles/kilometers per gallon your car gets and this can vary depending on how you maintain and drive your vehicle. Low tire pressure, a clogged air filter, worn or fouled spark plugs can lower gas mileage – as much as 33 percent on the highway and five percent on city streets – as does excessive idling, driving over the speed limit and using the car’s A/C system. 

 The typical fuel filter for most fuel-injected cars consists of a high-pressure canister filled with filtering media. Filters may have clamped, threaded or special fittings to ensure reliable connection to the fuel system. Filters for carbureted engines may be located at the inlet of the carburetor or inline. Filters for carbureted engines do not need to withstand the same pressures as those for fuel-injected engines. 

 Your car’s fuel system works with the rest of the engine control system to deliver the best performance with the lowest emissions. Check your car’s fuel system regularly or immediately if you smell gas or suspect a problem. 

 Lights and wipers play a major role in safe driving – the chances for accidents increase if you can’t see or be seen. Some states have laws that require the headlights to be on with the wipers. If you detect any problems with your car’s lights or wipers, have them checked out at once. 

 Critical parts of your engine are lubricated, cleaned and cooled by your car’s oil and filter. Other specifically formulated fluids are used for the operation and protection of systems and components such as brakes, cooling, power steering, automatic and manual transmissions, and transfer cases. Your car may also be equipped with a variety of filters including those for the transmission, fuel system and interior ventilation. 

• Check inflation pressure at least once a month (including the spare).
• Have the tires rotated every 6,000 miles.
• Rotation time also serves as a good opportunity to have the tires balanced.
• Check inflation pressure at least once a month (including the spare).
  Unbalanced wheels can cause rapid wear of shock absorbers and struts, and wheel balance can change as a result of normal tire wear.
  Uneven or accelerated tire wear may indicate an alignment problem. 

 A proper and routine tune-up allows your engine to work hand-in-hand with the rest of your car’s powertrain. This is how optimum car performance is achieved.