Which of the following is NOT typically included in a pre-trip inspection?

During a pre-trip inspection, the primary focus is on safety, functionality, and the operational aspects of the vehicle that could impact road safety. Items such as brakes, light indicators, and tires are critical components that must be checked to ensure that the vehicle is in a safe and operable condition before departure.

Brakes are a vital safety feature that must be inspected to confirm they are functioning effectively. Light indicators are important as they ensure the driver can communicate with other road users through turn signals and brake lights. Tires must also be checked for proper inflation, tread depth, and overall condition, as they directly affect traction and vehicle control.

While seat comfort may contribute to driver comfort during a long trip, it does not impact the operational safety of the vehicle. Thus, it is not a standard part of the pre-trip inspection checklist, which is why it is the correct choice as the option that is not typically included.