An OBD2 trouble code (DTC — Diagnostic Trouble Code) is your car’s way of flagging a problem it detected. The format is always a letter (P/B/C/U) plus four digits. Here are the 15 codes mechanics see most often and what to do about each. Look up any code instantly with the OBD2 Code Lookup tool. […]
You do not need to spend $100 or more to get a useful head-up display. The best budget HUDs under $50 still project a clear, readable speed onto your windshield and can transform your driving experience for the cost of a tank of gas. Our budget pick: HUDScreen GPS Lite The GPS Lite uses GPS […]
The Toyota Camry is the best-selling passenger car in America, and its large, gently raked windshield projects a clear HUD image in all light conditions. Here are the best aftermarket head-up displays for every Camry driver. OBD2 port location in the Camry (2018–2025) The OBD2 port sits under the driver-side dashboard, to the left of […]
The Ford F-150 is America’s best-selling vehicle — and its wide, angled windshield makes it one of the best platforms for a head-up display. Here are our top picks for every budget and trim level. Finding the OBD2 port in a Ford F-150 Every F-150 since the 1996 model year has a standard OBD2 port. […]
If you have used a GPS app while driving you have probably noticed it shows a different speed from your dashboard. The difference is real — and understanding it can save you from unnecessary speeding fines. How your speedometer calculates speed Your car’s speedometer measures how fast the wheel is rotating and converts that to […]
The OBD2 port (On-Board Diagnostics II) is a 16-pin socket fitted under the dashboard of virtually every car sold in the United States since 1996. It gives you direct, real-time access to your engine’s computer. Why every US car has one Congress mandated OBD2 from the 1996 model year to let mechanics and regulators read […]
A head-up display puts your most important driving information exactly where your eyes already are: straight ahead. Here are seven specific ways that makes you safer. 1. Your eyes stay on the road Glancing at the dashboard takes your eyes off the road for an average of 2 seconds. At 60 mph that is 176 feet travelled […]
Short answer: no — a properly used head-up display does not drain your car battery. Both GPS and OBD2 HUDs draw very little power and are designed to cut off when you turn the ignition off. How GPS HUDs are powered A GPS head-up display plugs into a 12 V USB adapter or your car’s USB […]
Short answer: for most drivers, an affordable aftermarket HUD is worth it — it keeps your eyes on the road for the price of a tank of gas. Here’s the full picture. The case for a car HUD Eyes-up driving — speed and alerts stay in your sight line. True GPS speed — often more […]
The two main head-up display types differ in where they get their data. Here’s the quick answer, then the detail. GPS HUD A GPS HUD reads speed from satellites — accurate to about 1 mph and working in any vehicle with no port required. Ideal if you mainly want a clean speed readout. See the […]