Kia Optima: Engine coolant

Changing the engine oil and filter

Have engine oil and filter changed by an authorized Kia dealer according to the Maintenance Schedule at the beginning of this section. WARNING Used engine oil may cause irritation or cancer ...

Checking the coolant level

WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage. Also, hot ...

See also:

Tire Replacement
1. Park on a level surface and set the parking brake firmly. 2. For manual transaxle vehicles, shift into R (Reverse). For automatic transaxle vehicles, shift into P (Park). 3. Activate the hazard ...

Check Engine (Malfunction Indicator) Light
This indicator light is part of the On Board Diagnostic System which monitors various emission control system components. If this light illuminates while driving, it indicates that a potential p ...

Owner Maintenance Precautions
Improper or incomplete service may result in problems. This section gives instructions only for items that are easy to perform. WARNING - Maintenance Work You can be seriously injured while p ...