Hyundai i-30: What to do in an emergency / If the engine overheats

Hyundai i30 (PD) 2018-2021 Owner's Manual / What to do in an emergency / If the engine overheats

If your temperature gauge indicates overheating, you experience a loss of power, or hear loud pinging or knocking, the engine may be overheating. If this happens, you should:

1. Pull off the road and stop as soon as it is safe to do so.

2. Place the shift lever in P (Park, for automatic transmission/dual clutch transmission vehicle) or neutral (for manual transmission/dual clutch transmission vehicle) and set the parking brake. If the air conditioning is ON, turn it OFF.

3. If engine coolant is running out under the vehicle or steam is coming out from the bonnet, stop the engine. Do not open the bonnet until the coolant has stopped running or the steaming has stopped. If there is no visible loss of engine coolant and no steam, leave the engine running and check to be sure the engine cooling fan is operating. If the fan is not running, turn the engine off.

WARNING

Hyundai i30. If the engine overheatsHyundai i30. If the engine overheats

Whilst the engine is running, keep hands, clothing and tools away from the moving parts such as the cooling fan and drive belt to prevent serious injury.

4. Check for coolant leaking from the radiator, hoses or under the vehicle. (If the air conditioning had been in use, it is normal for cold water to be draining from it when you stop.)

5. If engine coolant is leaking out, stop the engine immediately and we recommend that you call a HYUNDAI authorised repairer for assistance.

WARNING

Hyundai i30. If the engine overheats

NEVER remove the radiator cap or the drain plug whilst the engine and radiator are hot. Hot coolant and steam may blow out under pressure, causing serious injury. Turn the engine off and wait until the engine cools down. Use extreme care when removing the radiator cap. Wrap a thick towel around it, and turn it counterclockwise slowly to the first stop. Step back whilst the pressure is released from the cooling system. When you are sure all the pressure has been released, press down on the cap, using a thick towel, and continue turning counterclockwise to remove it.

6. If you cannot find the cause of the overheating, wait until the engine temperature has returned to normal. Then, if coolant has been lost, carefully add coolant to the reservoir to bring the fluid level in the reservoir up to the halfway mark.

7. Proceed with caution, keeping alert for further signs of overheating. If overheating happens again, we recommend that you call a HYUNDAI authorised repairer for assistance.

CAUTION

  • Serious loss of coolant indicates a leak in the cooling system and we recommend the system be checked by a HYUNDAI authorised repairer.
  • 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.

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    (1) Driver’s door power window switch
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    (3) Rear door (right) power window switch
    (4) Rear door (left) power window switch
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