Kia Optima DL3: Maintenance / Scheduled maintenance service

Kia Optima DL3 2019-2026 Owner's Manual / Maintenance / Scheduled maintenance service

Follow the Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, follow the Maintenance Under Severe Usage Conditions.

  • Repeated driving short distance of less than 8 km (5 miles) in normal temperature or less than 16 km (10 miles) in freezing temperature
  • Extensive engine idling or low speed driving for long distances
  • Driving on rough, dusty, muddy, unpaved, graveled or salt-spread roads
  • Driving in areas using salt or other corrosive materials or in very cold weather
  • Driving in heavy dust condition
  • Driving in heavy traffic area
  • Driving on uphill, downhill, or mountain road repeatedly
  • Towing a trailer or using a camper, or roof rack
  • Driving as a patrol car, taxi, other commercial use of vehicle towing
  • Driving over 170 km/h (106 mph)
  • Frequently driving in stop-and-go condition

If your vehicle is operated in any of the prior listed conditions, you should inspect, replace or refill more frequently, using the severe usage maintenance schedule instead of the normal usage 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 safe, dependable operation of your vehicle.

The following maintenance services must be performed to ensure good emission control and performance. Keep receipts for all vehicle emission services to protect your warranty.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: Condenser

Components and components location Components Location 1. Condenser Repair procedures Inspection 1. Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air.

Kia Optima DL3 2019-2026 Service and Repair Manual: In-car Sensor

Description and operation Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater co

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