Kia Optima: Owner maintenance precautions - Maintenance services - Maintenance - Kia Optima TF 2011-2025 Owners ManualKia Optima: Owner maintenance precautions

Improper or incomplete service may result in problems. This section gives instructions only for the maintenance items that are easy to perform.

As explained earlier in this section, several procedures can be done only by an authorized Kia dealer with special tools.

✽ NOTICE

Improper owner maintenance during the warranty period may affect warranty coverage. For details, read the separate Warranty & Consumer Information manual provided with the vehicle. If you're unsure about any servicing or maintenance procedure, have it done by an authorized Kia dealer.

work WARNING - Maintenance work

Owner’s responsibility
✽ NOTICE Maintenance Service and Record Retention are the owner's responsibility. You should retain documents that show proper maintenance has been performed on your vehicle in accordan ...

Owner maintenance
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 safe, dependable operation ...

See also:

Cruise indicator
The cruise indicator light in the instrument cluster is illuminated only when the vehicle cruising speed has been set using the control switch. The indicator light does not illuminate when the m ...

Removal and Installation
1. Loosen the drain plug, and then drain the engine coolant. Remove the radiator cap to drain with speed. 2. Remove the drive belt (A) after turning the drive belt te ...

Heated Oxygen Sensor (HO2S). Specifications
Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] ...

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