Hyundai Elantra: Maintenance / Engine Coolant

Hyundai Elantra (CN7) 2021-2025 Owner's Manual / Maintenance / Engine Coolant

The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.

Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season and before traveling to a colder climate.

NOTICE

When the engine overheats from low engine coolant, suddenly adding engine coolant may cause cracks in the engine. To prevent damage, add engine coolant slowly in small quantities.
Do not drive with no engine coolant. It may cause water pump failure and engine seizure, etc.

Engine Oil

Checking the Engine Oil Level 1. Follow all of the oil manufacturer’s precautions. 2. Be sure the vehicle is on the level ground in P (Park) with the parking brake set...

Checking the Engine Coolant Level

Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses. The coolant level should be filled between the F and the L marks on the side of the coolant reservoir when the engine is cool...

Other information:

Hyundai Elantra (CN7) 2021-2025 Service Manual: Fuel Filter

Repair procedures Removal1.Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump")2.Disconnect the fuel pump motor connector (A) and fuel sender connector (B).3.Release the fixing hook (A) and then remove the fuel sender (B).4.Remove the fixing clip (A) and then disconnect the fuel feed tube (B)...

Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Smart Trunk release

On a vehicle equipped with a smart key, the trunk can be opened using the Smart Trunk release system. How to use the Smart Trunk release The trunk can be opened with notouch activation satisfying all the conditions below. After 15 seconds when all doors are closed and locked Positioned in the detecting area for more than 3 seconds Information The Smart Trunk release does not operate ..

Air bag collision sensors

1. SRS control module/Rollover sensor
2. Front impact sensors
3. Side impact sensors (acceleration)
4. Side impact sensors (pressure)