The emergency flashers are used to warn other drivers when the vehicle has to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch once again.

■Emergency flashers If the emergency flashers are used for a long time while the engine is not operating, the battery may discharge
If your vehicle has to be stopped in an emergencyToyota CH-R Service Manual > Brake Booster: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE BOOSTER ASSEMBLY
(a) Airtightness check
(1) Start the engine and stop it after 1 or 2 minutes. Slowly depress
the brake pedal several times.
If the pedal can be depressed nearly to the floor the first time, but
on the 2nd and ...
Toyota CH-R Service Manual > Navigation System: Does not Play even after Bluetooth Audio Mode is Selected
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or
maintenance, performing initialization, registration or calibration may
be needed. Refer to Precaution for Navigation System.
Click here
When replacing the radio ...