Wiper functions: Rheostat

The rheostat can control the light intensity in 16 steps, with a 12% to 100% activation cycle.

If the key is in position 2, the rheostat controls the light intensity of the instrument lighting in the passenger compartment.

• combination instrument
• heater instrument
• radio

Central electronic module (CEM) reads off the thumb wheel's status (resistance) which is located beside the light switch, which then controls the light with an activation cycle.