You have the option to purchase Optional Renter Protection Services for an additional charge to your rental to reduce or eliminate your liability to Hertz for loss or damage to the vehicle (provided you do not use the vehicle for a Prohibited Use) and for other cover and purposes depending on the services you select:

SuperCover: 

You can reduce the ADE to zero and in addition you will also benefit from:
Maximum Protection Cover
Premium Roadside Assistance Cover (PRAC)
No Young Driver Surcharge

Maximum Protection Cover: 

You can reduce the ADE to zero and in addition you will also benefit from:
Glass & Tyres Cover (G&T)
Fees waived in respect of Hertz Claims Management Fee and External Damage Assessment Fee

Accident Excess Reduction: 

You can reduce the accident damage excess to a lower amount as stated in your Rental Agreement.