BYD S1 EV, User Manual

Page: 183 / 254

5
Interior
devi
ce
5-2 Air conditioning 183
Tip

PM2.5 value tested with on-board PM2.5 tester is one in the air near the car fitted
with the tester in the short time, which should be different from PM2.5 value reported
daily or in real-time by the national and relevant government departments;

The frequency of PM2.5 test can be reduced in the following environments;

In extremely harsh environment, such as sandstorm;

In cold area (with ambient temperature of < -20
℃
);

In high humidity environment (with the relative humidity of > 90%);

In temperature alternating environment (dewing), such as from a cold
environment into a high-temperature indoor environment or parking lot.

If the filter in PM2.5 tester is dirty, it will seriously affect the test accuracy and should
be maintained in time;

The maximum air flow speed in the internal loop mode may can quickly reduce the
concentration of fine particles in the air inside the car.