At Glenn's Auto & Truck Repair in Petaluma, CA, we’ve seen and diagnosed every warning light in the book. Many people ignore their check engine light, and while it isn’t advised, often get away with it. Transmission warning lights are different, however. Here's what it means and what you should do when it comes on.

Performance chip installation is one of the perks of diesel truck ownership. At Glenn's Auto & Truck Repair in Petaluma, our mechanics can professionally tune and install a chip for any application, whether you drive a Cummins, Powerstroke, Duramax, or otherwise.

Transmission malfunctions are sometimes hard to pin down and might even go unnoticed. A transmission slip can manifest itself in a lot of different ways because there’s not a universal or consistent way to describe it. The trained technicians at Glenn's Auto & Truck Repair in Petaluma, CA can help diagnose your problem. The more details you can provide, the quicker we can help. Since it will vary based on the vehicle, how bad the issue is, and what components are at fault, here are some symptoms to look for in your SUV.

Transmission malfunctions are sometimes hard to pin down and might even go unnoticed. A transmission slip can manifest itself in a lot of different ways because there’s not a universal or consistent way to describe it. Since it will vary based on the vehicle, how bad the issue is, and what components are at fault, here are some symptoms to look for in your vehicle.

Transmissions are complicated and intricate pieces of equipment. Many general mechanic shops won’t touch a transmission, if it’s anything more than simply installing a new one. Transmissions are one aspect of a vehicle that even experienced mechanics often don’t dare delve into, and is easily the most mysterious and misunderstood system in the automotive world. You need a shop that you can trust to perform the best work on whatever your transmission may be in need of.