See also:

Automatic transaxle fluid
Checking the automatic transaxle fluid level The automatic transaxle fluid level should be checked regularly. Keep the vehicle on the level ground with the parking brake applied and check the ...

Owner maintenance
Owner maintenance schedule The following lists are vehicle checks and inspections that should be performed by the owner or an authorized Kia dealer at the frequencies indicated to help ensure saf ...

Impressive Warranty
Hyundai is Kia's corporate parent, so the Optima gets Hyundai's impressive warranty; it includes 10-year/100,000-mile powertrain protection and 5-year/60,000-mile roadside assistance. Kia is put ...