Hyundai Elantra (CN7): Warning and Indicator Lights / Low Tire Pressure Warning Light
This warning light illuminates:
• When you place the ignition in the ON position.
-- It illuminates for approximately 3 seconds and then goes off.
• When one or more of your tires are significantly underinflated. (The location of the underinflated tires is displayed on the LCD display.)
This warning light remains ON after blinking for approximately 60 seconds, or repeatedly blinks ON and OFF in 3 second intervals:
When there is a malfunction with the TPMS.
In this case, have the vehicle inspected by an authorized HYUNDAI dealer as soon as possible.
WARNING
Safe Stopping
- The TPMS cannot alert you to severe and sudden tire damage caused by external factors.
- If you notice any vehicle instability, immediately take your foot off the accelerator pedal, apply the brakes gradually with light force, and slowly move to a safe position off the road.
This indicator light illuminates: When there is a malfunction in operation in any of the following systems: -- Forward Collision-Avoidance Assist system malfunction (if equipped) -- Forward Collision-Avoidance Assist radar blocked (if equipped) -- Blind-Spot Collision Warning system malfunction (if equipped) -- Blind-Spot Collision Warning radar blocked (if equipped) -- High Beam Assist malfunction (if equipped) -- Lamp malfunction (if equipped) -- Smart Cruise Control malfunction (if equipped) -- Tire Pressure Monitoring System (TPMS) malfunction (if equipped) To identify the details of the warning, look at the LCD display.
This indicator light illuminates: • When you place the ignition switch to the ON position. -- The Electronic Stability Control indicator light illuminates for about 3 seconds and then goes off.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor oil
Repair procedures Oil Specification1.The HFC-134a 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 compressor.
Hyundai Elantra (CN7) 2021-2026 Service Manual: A/C Pressure Transducer
Description and operation DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.
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