During braking on a hybrid electric vehicle equipped with a regenerative braking system, what occurs when the driver depresses the brake pedal?
a. The friction brakes are only used as a backup and are not used during normal braking.
b. The motors become generators.
c. The driver needs to apply a braking lever instead of depressing the brake pedal to energize the regenerative braking system.
d. The batteries are charged to 100% SOC.