Hybrid battery replacement in Tombstone, Arizona

Tombstone is one of our longer drives, so we want to be sure before we set off that it's the hybrid pack and not a 12V or a cooling problem. At 4,400 feet the pack has aged more slowly than a Valley car's; winter freezes are what usually finish off the 12V here.

Every job starts with a test, not a quote: we load-test the pack where the car is parked in Tombstone before anyone talks about a new one.

Tombstone sits about 3,320 feet higher than Phoenix, at 4,410 feet. Tombstone's milder summers mean the old pack probably lasted longer than it would have in Phoenix, and a new one will have an easier life too. Winter is the other half of the picture: cold nights don't hurt the hybrid pack much, but they find a weak 12V battery fast — and a weak 12V can make a perfectly good new pack look faulty. We test the 12V on every replacement visit.

• A new pack still accepts less charge on a cold morning — less regenerative braking for the first few miles is normal.
• Big daily temperature swings are hard on 12V batteries. Test yours each autumn.
• Dust from dirt roads and open country reaches the cooling intake; keep it clear.

Tombstone is 3 hours 5 minutes from central Phoenix each way. We do make that drive — it's booked as a scheduled visit rather than a call-out, so call ahead rather than waiting for the car to strand you.

Tell us the year and model, the warning lights and whether the car holds READY. On the day we test it, quote in writing, and fit the pack where it's parked.