Q: I have a 1994 GMC pickup. When it gets cold it is very hard to unlock the driver door. A couple of times I have had to unlock the passenger door to get in. We tried spraying WD-40, but that hasn’t ...

If the doors on your car creak and groan when they’re opened or closed, the hinges are dry and need lubrication. That’s not just so they no longer disturb the peace. Without lubrication, hinges can ...

If your car's more than 10 years old and you've never lubricated its locks, I bet this cheap and simple job will make your keys seem to magically work better. So here's a rundown of two common types ...