CITROEN DS5 Owner's Handbook Manual page 80

Heated seats control
Use the adjustment wheel to switch on and
select the level of heating required:
0: Off.
1: Low.
2: Medium.
3: High.
With the engine running, the front seats can be
heated separately.
Massage function
This function provides the driver with a back
massage. It only operates when the engine is
running or in STOP mode of the Stop & Start
system.
Activation
Press this switch.
The warning lamp comes on and the massage
function is activated for a period of 1 hour.
During this time, massage is performed in
6 cycles of 10 minutes (6 minutes of massage
followed by 4 minutes break).
After one hour, the function is deactivated, the
warning lamp goes off.
Deactivation
You can deactivate the massage
function at any time by pressing this
switch.