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Hyundai Equus: Engine Control System
Troubleshooting
Description and OperationTheft-alarm system
This system helps to protect your vehicle and valuables. The horn will sound
and the hazard warning lights will blink continuously if any of the following occurs:
- A door is opened without using t ...
Checking the power steering fluid level
With the vehicle on level ground, check the fluid level in the power steering
reservoir periodically. The fluid should be between MAX and MIN marks on the side
of the gauge at the normal tempe ...
Spark plugs
Make sure to install new spark plugs of the correct heat range. ...