SpecificationsHyundai Elantra AD (2016-2020) 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 ...
Hyundai Elantra AD (2016-2020) Owners Manual: Jump Starting
Jump starting can be dangerous if done incorrectly. Follow the jump starting
procedure in this section to avoid serious injury or damage to your vehicle. If
in doubt about how to properly jump start your vehicle, we strongly recommend that
you have a service technician or towing service do it ...