Hyundai Elantra AD (2016-2020) Owners Manual: Shift-Lock System. Shift-Lock Release. Parking
Shift-Lock System
For your safety, the dual clutch transmission has a shift-lock system which prevents
shifting the transmission from P (Park) into R (Reverse) unless the brake pedal
is depressed.
To shift the transmission from P (Park) into R (Reverse):
1. Depress and hold the brake pedal.
...
Hyundai Elantra AD (2016-2020) Service Manual: Crankshaft Position Sensor (CKPS) Description and Operation
Description
Crankshaft Position Sensor (CKPS) detects the crankshaft
position and is one of the most important sensors of the engine control
system. If there is no CKPS signal input, the engine may stop because of
CKPS signal missing. This sensor is installed on the cylinder block or
the ...