Unlocking and locking the doors from the outsideToyota CH-R Service Manual > Navigation System: Poor Sound Quality in All Modes (Low Volume)
PROCEDURE
1.
CHECK AUDIO SETTINGS
(a) Set treble, middle and bass to the initial values and check that the sound
is normal.
OK:
The sound returns to normal.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
OK
...
Toyota CH-R Service Manual > Door Control Switch: Installation
INSTALLATION
PROCEDURE
1. INSTALL MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (for Driver Side)
(a) Install the multiplex network master switch assembly with the 3 screws.
2. INSTALL DOOR CONTROL SWITCH ASSEMBLY (for Front Passenger Side)
(a) Engage the claws to install the door control ...