Overview

Error messages help users understand what went wrong and how to correct it. They must be clear, consistent, and aligned with Sequoia’s voice and tone. This specification defines the standard patterns, behaviors, and field‑level messages used across all Lithia & Driveway digital products.

Error Messages.png

Voice and Tone

Conversational

Use contractions to keep the tone approachable.

Direct

Avoid “please,” which can imply optionality.

Specific

Provide format or character requirements when needed.

Concise

One sentence is preferred; two maximum.

Punctuated

Use sentence case with a period.

Validation Triggers

Trigger Usage
On blur Empty field validation
Stop writing Format, regex, and max‑length validation

Standard Error Types and Patterns

Message Error Type When it happens
This field can't be left blank. Empty On blur or when the user stops writing
Use {max} characters or fewer. Max Length While typing
Enter a valid {field name}. Invalid / Wrong field While typing
Select a {field name}. Invalid / Not an option / Empty While typing
The applicant must be at least 18 years of age. Min Value Not specified

Field‑Level Error Details