Customary maintenance is required and includes changing the engine oil and filter, checking and maintaining the transmission fluid level, topping off all fluid levels, and checking and maintaining the proper level of coolant.
Maintenance is required by oil type and is defined as follows:
Conventional Oil: The vehicle must be serviced at least every 6 months OR 7,500 miles, whichever comes first.
Synthetic / Synthetic Blend Oil: The vehicle must be serviced at least every 12 months OR 10,000 miles, whichever comes first.