Knowledge Base
Articles
Everything we've learned about owning, maintaining, and getting the most out of the Polestar 2.
Common Problems
12V Battery Drain: Causes, Symptoms & Fixes
One of the most reported issues with the Polestar 2. Learn what causes the 12V battery to drain and how to prevent it.
TCAM Module Deep Dive: Location, Backup Battery, Known Issues & Technical Journals
Everything we know about the Polestar 2's TCAM — where it lives, how to access it, the reboot loop defect, and what the official Technical Journals say.
Driveshaft Clicking: The 'Wheel of Fortune' Noise
A rhythmic clicking or ticking from the rear axle during deceleration — what causes it, and why both driveshafts may need replacing.
Front Strut Bearing Noise: Creaking, Clunking & the Updated Part
The front strut top mount bearing is a known weak point. Polestar released a revised part in 2024 — here's what you need to know.
Heat Pump Compressor Noise: The Redesigned Mounting Bracket
A buzzing vibration through the floor when the heat pump runs — Polestar redesigned the AC compressor bracket to fix it.
Guides
Heat Pump vs. PTC Heater: What You Need to Know
Understanding the heating system in your Polestar 2 and how it impacts winter range.
Is the Performance Pack Worth It?
Ohlins dampers, Brembo brakes, and 20" forged wheels — a breakdown of what you get and whether it's worth the premium.
Diagnostic Tools: OBD2, VIDA & OrBit Compared
Three ways to read codes, check battery health, and dig into your Polestar 2 — from a $30 Bluetooth adapter to full dealer-level software.
Charging Speeds Explained: AC, DC, and What Affects Them
A straightforward guide to Polestar 2 charging — what speeds to expect and what factors affect them.
BST Edition 270: The Beast, Unleashed
Only 270 were made. Born from a one-off prototype called 'The Beast,' the BST Edition 270 is the most focused Polestar 2 ever built — a chassis-first limited edition that prioritizes handling over everything else.