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Hyundai Equus: Electronic controlled suspension (ECS) (If equipped)

ECS controls the vehicle suspension automatically to maximize passenger comfort by using the air spring and controllable shock absorber in the suspension.
You can also control the vehicle height manually in NORMAL mode or HIGH mode.
DRIVE mode / SNOW mode
To control the vehicle heightBrake Booster Repair procedures
Brake Booster Operating Test
For simple checking of the brake booster operation, carry out the following tests.
1.
Run the engine for one or two minutes, and then stop it. If
the pedal depress ...
Maintenance service
You should exercise the utmost care to prevent damage to your vehicle and injury
to yourself whenever performing any maintenance or inspection procedures.
Should you have any doubts concerning the ...
External AMP Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Open the trunk, remove the right trunk trim.
(Refer to Body - "Trunk Trim")
3.
Remove the external amplifier after disconneting ...