Using the mechanical key
If the smart key does not operate normally, you can lock or unlock the driver’s door by using the mechanical key.
To remove the mechanical key from the smart key:
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Press and hold the release button
Starting the vehicle
Smart key precautions. Replacing the batteryHyundai Tucson (NX4) 2022-2026 Service Manual: Relay Box (Engine Compartment)
- Inspection
Power Relay (Type A)
1.There should be continuity between the No.30 and No.87 terminals
when power and ground are connected to the No.85 and No.86 terminals.
2.There should be no continuity between the No.30 and No.87 terminals when power is disconnected.[Engine room relay box]
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Hyundai Tucson (NX4) 2022-2026 Service Manual: Catalytic Converter
- Description
The catalytic converter of the gasoline engine is a three way catalyst.
It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen
from the oxides of nitrogen (NOx).
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