Speedometer
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The speedometer indicates the speed of the vehicle and is calibrated in miles per hour (MPH) and/or kilometers per hour (km/h).
Tachometer
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The tachometer indicates the approximate number of engine revolutions per minute (RPM).
Use the tachometer to select the correct shift points and to prevent lugging and/ or over-revving the engine.
NOTICE
Do not operate the engine within the tachometer's RED ZONE to prevent severe engine damage.
Engine coolant temperature gaugeHyundai Tucson (NX4) 2022-2025 Service Manual: Compressor oil
    - Oil Specification
 1.The R-134a or R-1234yf system requires synthetic (PAG) compressor 
oil whereas the R-12 system requires mineral compressor oil. The two 
oils must never be mixed.
 2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of c ...
   
Hyundai Tucson (NX4) 2022-2025 Service Manual: Seat Heater (Non-Air Ventilation)
    - Components
 
1. Seat heater unit2. Seat cushion heater 3. Seat back heater
 
1. Second line seat heater unit2. Second line seat cushion heater3. Second line seat back heater
 
 - Components
 Driver/Passenger Seat Heater
Second Line Seat Heater
 - Inspection
 Driver/Passe ...