Kia Optima: Maintenance / Tires and wheels

Kia Optima DL3 2019-2021 Owner's Manual / Maintenance / Tires and wheels

Tire care

For proper maintenance, safety, and maximum fuel economy, you must always maintain recommended tire inflation pressures and stay within the load limits and weight distribution recommended for your vehicle.

Recharging the battery
Your vehicle has a maintenance-free, calcium-based battery. If the battery becomes discharged in a short time (because, for example, the headlamps or interior lamps were left on while the vehic ...

Recommended cold tire inflation pressures
All tire pressures (including the spare) should be checked when the tires are cold. “Cold Tires” means the vehicle has not been driven for at least three hours or driven less than 1.6 km (1 mi ...

Other information:

Kia Optima DL3 2019-2021 Service and Repair Manual: Crankshaft Position Sensor (CKPS)


Description and operation Description • Crankshaft Position Sensor (CKPS) detects the crankshaft position and is one of the most important sensors of the engine control system. • If there is no CKPS signal input, fuel is not supplied. Th ...

Kia Optima DL3 2019-2021 Owner's Manual: SRS Care


The SRS is virtually maintenancefree and so there are no parts you can safely service by yourself. If the SRS air bag warning light does not illuminate, or continuously remains on, have your vehicle immediately inspected by an authorized Kia dealer. Any work on the SRS system, such as removing, ...

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