The BestCarHire Guide to Liability Insurance
Often referred to as SLI, Supplemental Liability Insurance, is a type of car insurance which provides third party liability cover. So if you are involved in an accident with your rental car, you, as the driver is insured against any property damage and / or bodily injury, up to a maximum monetary value. SLI can also be known as ALI, Additional Liability Insurance. Take care if hiring a car in the USA or Canada, as the statutory limits for Third Party Liability tend to be on the low side, so you can buy SLI as an additional purchase to achieve the mandatory limits.