Quick Summary:
- Three numbers usually mean split limits, per person and per accident.
- One number often indicates CSL, a single per-accident liability limit.
- Check the quote details and policy summary for clear limit labels.
- Confirm bodily injury and property damage limits before booking in California.
When you arrange car hire in California, you will often see an option labelled SLI, sometimes called Supplemental Liability Insurance. The part that confuses many travellers is the limit: is it “per person”, “per accident”, or both? The answer depends on how the limits are written, and you can usually tell by the number format and the labels used on the quote.
In plain terms, “per person” is a cap for injuries to any one individual. “Per accident” is the total cap for injuries to everyone combined from one incident. Property damage limits can also be listed separately, usually “per accident”, because damage to vehicles, walls, fences, or other property is typically pooled under one event.
SLI sits alongside the basic liability coverage that comes with the rental where required, and it is designed to increase the third party liability limit. It does not usually cover damage to the rental car itself, and it does not replace collision damage waivers or similar products. Knowing whether the limit is per person or per accident helps you understand how quickly the cover could be exhausted if more than one person is injured.
What SLI is intended to cover in California
SLI is third party liability cover. It is generally aimed at claims made by other people, not the driver or the rental vehicle. In California, liability claims are commonly broken out into bodily injury and property damage. Your rental quote may show these separately or as one combined amount, depending on whether it uses split limits or a combined single limit.
If you are comparing options in different cities, the SLI presentation can look slightly different even when the cover is similar. For instance, a quote for car hire at Los Angeles LAX may display insurance add-ons in a different layout from a quote for car rental at Sacramento SMF, so it is worth knowing the underlying formats.
The two common SLI limit formats: split limits vs CSL
1) Split limits (often shown as three numbers)
Split limits usually appear as a series such as 100/300/50. This is shorthand for three separate caps. The first is bodily injury “per person”. The second is bodily injury “per accident”, meaning the total for all injured people combined. The third is property damage “per accident”. Some quotes will write out the words instead of using shorthand, but the structure is the same.
2) Combined single limit, also called CSL (often shown as one number)
CSL appears as one amount, such as 300,000 or 1,000,000. It is typically written as “combined single limit per accident” or similar. Instead of separate buckets for bodily injury and property damage, CSL pools them into one pot for a single incident.
Where to find the limit language on a rental quote
Most travellers see the limit first in the add-ons list, but the clearest wording is often in the detailed quote breakdown or the policy summary. Look for sections labelled “Liability”, “Third party liability”, “SLI”, “LIS”, “Insurance summary”, or “Coverage details”.
Your voucher may restate the limits, but do not rely on it as the only source. If you are picking up at a busy airport location like Santa Ana SNA, you will want clarity before you reach the counter, because it is harder to compare documents under time pressure.
How to tell “per person” vs “per accident” in seconds
Step 1: Count the numbers. Three-part figures tend to indicate split limits, while one figure tends to indicate CSL.
Step 2: Find the labels. Look for “each person” and “each accident”. If both appear for bodily injury, you have split limits. If only “each accident” appears and it says “combined single limit”, you have CSL.
Step 3: Confirm whether property damage is separate. With split limits, property damage is often the third number. With CSL, property damage is usually included in the single per-accident cap.
Step 4: Check who is insured. If additional drivers are involved, confirm the SLI applies to all authorised drivers listed on the agreement. If your trip includes a larger group, you might compare vehicle categories such as van hire in San Jose SJC before you decide.
What to confirm before booking car hire in California
Before you finalise car hire in California, confirm whether the SLI limit is split or CSL, and ask for the exact wording as shown in the policy summary. If the quote shows split limits, note the bodily injury “each person” and “each accident” amounts, because the per-person cap can be the binding constraint in multi-injury accidents.
Also confirm the property damage limit and whether it is included in a CSL. If you are comparing suppliers, keep the format consistent, because one provider might show a CSL number and another might show split limits that look different on the page.
For travellers focused on value, price-led pages like budget car hire in Sacramento SMF can still have clear insurance wording, but you may need to expand the details section to see the limit format.
FAQ
How do I know if my SLI is per person or per accident? Look for the labels next to the dollar amounts. “Each person” indicates a per-person cap for bodily injury, while “each accident” indicates the total cap for a single incident. If you only see one figure and it says “combined single limit” or “CSL”, it is typically a per-accident pooled limit.
What does 100/300/50 mean on a California rental car quote? It is usually split limits: $100,000 bodily injury per person, $300,000 bodily injury per accident, and $50,000 property damage per accident. Always confirm the labels on the document, because formatting can vary.
If my quote shows $1,000,000, is that automatically per person? Not usually. A single $1,000,000 figure is commonly a combined single limit per accident. Unless the policy also lists an “each person” bodily injury amount, you should treat it as pooled for one incident, not per injured person.
Where should I look for the definitive SLI wording before I travel? The most reliable place is the insurance summary or policy terms linked within the quote flow, often under “coverage details” or “important information”. Your voucher may repeat it, but the policy summary is typically clearer on “each person” and “each accident”.
Does SLI cover me if someone in my car is injured? SLI is designed for third party liability claims and generally applies to injury or damage you cause to others. Whether a passenger is treated as a third party can depend on the policy wording and local rules, so check the definition of “third party” and “insured” in the policy summary.
