Hyundai Equus: Emission Control System

Smart Cruise Control Switch Repair procedures

Inspection [Measuring Resistance] 1. Disconnect the cruise control switch connector from the control switch. 2. Measure resistance between terminals on the control switch when each function ...

General Information

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Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil you s ...

Battery Replacement
If the Smart Key is not working properly, try replacing the battery with a new one. Battery Replacement of Conventional Smart Key Battery Type: CR2032 To Replace the Battery: 1. Pry open the ...

Fuel filter
A clogged filter can limit the speed at which the vehicle may be driven, damage the emission system and cause multiple issues such as hard starting. If an excessive amount of foreign matter accumu ...