Hyundai Sonata: Vehicle break-in process - Introduction - Hyundai Sonata Owners ManualHyundai Sonata: Vehicle break-in process

No special break-in period is needed. By following a few simple precautions for the first 600 miles (1,000 km) you may add to the performance, economy and life of your vehicle.

  • Do not race the engine.
  • While driving, keep your engine speed (rpm, or revolutions per minute) between 2,000 rpm and 4,000 rpm.
  • Do not maintain a single speed for long periods of time, either fast or slow. Varying engine speed is needed to properly break-in the engine.
  • Avoid hard stops, except in emergencies, to allow the brakes to seat properly.
  • Don't let the engine idle longer than 3 minutes at one time.
  • Don't tow a trailer during the first 1,200 miles (2,000 km) of operation.

CALIFORNIA PROPOSITION 65 WARNING Items contained in motor vehicles or emitted from them are known to the State of California to cause cancer and birth defects or reproductive harm. These include:

  • Gasoline and its vapors
  • Engine exhaust
  • Used engine oil
  • Interior passenger compartmentcomponents and materials
  • Component parts which are subject to heat and wear

In addition, battery posts, terminals and related accessories contain lead, lead compounds and other chemicals known to the State of California to cause cancer and reproductive harm.

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