Kia Optima DL3: Maintenance / Checking fluid levels
When checking engine oil, engine coolant, brake fluid, and washer fluid, always be sure to clean the area around any filler plug, drain plug, or dipstick before checking or draining any lubricant or fluid. This is especially important in dusty or sandy areas and when the vehicle is used on unpaved roads. Cleaning the plug and dipstick areas will prevent dirt and grit from entering the engine and other mechanisms that could be damaged.
Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the vehicle is being driven in severe conditions, more frequent oil and filter changes are required.
Checking the engine oil level ■ THETA 2.4L - GDI 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature.
Other information:
Kia Optima DL3 2019-2025 Service and Repair Manual: Mood Lamp Unit
Schematic diagrams Connector and Terminal function Repair procedures Removal When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
Kia Optima DL3 2019-2025 Service and Repair Manual: Smart Key System
Specifications Specifications Smart Key Unit Items Specification Rated voltage DC 12 V Operation voltage DC 9 - 16 V Operation temperature -40 to 185°F (-40 to 85°C) RF Receiver Items
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