Car Technology: How to Judge Whether a Feature Helps You

Judge car technology by how well it supports a task you actually perform. A large screen, a head-up display or a long list of assistance features is not enough to establish that a car is easier to use. Try routine tasks in the exact vehicle before making a purchase.

Separate functions that help with information, convenience and driving assistance. Check how each works, what conditions it needs and how you would respond if it were unavailable.

Try essential controls while parked

Before a test drive, find the demister, wipers, lights, temperature controls and audio volume. Try them without relying on a salesperson to guide every step. Check whether the controls remain accessible with the screen view you normally use.

Compare the number of actions needed and whether you receive clear feedback. A physical button can be easy or awkward to use, just as screen layouts vary. The useful question is whether you can operate the car predictably without searching through unfamiliar menus while moving.

Euro NCAP’s 2026 controls assessment gives attention to direct physical operation of key driving functions. That is a safety-rating assessment, not evidence of the blanket European Union law claimed in the original article.

Set up the displays for useful information

Check that you can read the instruments in your normal driving position. If a head-up display is fitted, try its position, brightness and relevant information while parked, then assess its usefulness during a normal test drive.

A display in your line of sight still requires attention and interpretation. Do not assume a HUD guarantees distraction-free navigation. Configure the information you need and leave unfamiliar adjustments until the vehicle is safely stopped.

For phone integration, confirm compatibility with your device and test the connection, navigation prompts and calls. A successful showroom demonstration on another phone does not establish that your setup will behave the same way.

Understand what assistance actually does

Check which functions warn, which can intervene and which depend on driver settings. Read the exact model’s manual rather than interpreting a marketing name as a capability guarantee.

ANCAP’s vehicle-testing explanation describes independent assessment of crash protection and collision avoidance. Use the applicable model report to supplement the equipment list. A similarly named feature in two cars does not establish identical performance.

During handover, ask how the car indicates an unavailable or faulty system and what to do about it. Do not deliberately create a hazardous situation to test emergency intervention.

Check software and ownership requirements

Ask how updates are delivered, what they require and which connected functions depend on an account, subscription or network connection. Read the terms for the exact vehicle and market.

Find out how essential functions behave without a connected phone or mobile signal. If buying used, check the account-transfer and data-removal process. Do not infer long-term support from the size of the infotainment screen.

Drive modes and customisable settings also need individual assessment. Check what a setting actually changes and whether it persists after restarting, rather than assuming a mode name upgrades every aspect of the vehicle.

Make a shortlist from the daily experience

After the drive, record the features that helped, the tasks that remained awkward and any unanswered support questions. Repeat the same tasks in competing vehicles so the comparison is consistent.

For the safety side of that assessment, see our guide to checking car safety features. Useful technology earns its place through clear operation, appropriate capability and support you can establish.