This indicator illuminates when the headlights are on and in the high beam position or when the turn signal lever is pulled into the Flash-to- Pass position.
Hyundai Tucson (LM) 2010-2015 Service Manual: Fuel Pressure Control Valve Repair procedures
Inspection
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the fuel pressure regulator valve connector.
3.
Measure resistance between the fuel pressure regulator valve terminals 1 and 2.
4.
Check that the resistance is within the specifica ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Brake 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 depresses fully the first time but gradually becomes higher
when depressed succeeding times, the booster ...